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Operator
Good morning, and welcome to Martin Marietta's First Quarter 2022 Earnings Conference Call. (Operator Instructions) As a reminder, today's call is being recorded and will be available for replay on the company's website.
I will now turn the call over to your host, Ms. Suzanne Osberg, Martin Marietta's Vice President of Investor Relations. Suzanne, you may begin.
Suzanne Osberg - VP of IR
Good morning. It's my pleasure to welcome you to Martin Marietta's First Quarter 2022 Earnings Call. Joining me today are Ward Nye, Chairman and Chief Executive Officer; and Jim Nickolas, Senior Vice President and Chief Financial Officer.
Today's discussion may include forward-looking statements as defined by United States securities laws in connection with future events, future operating results or financial performance. Like other businesses, Martin Marietta is subject to risks and uncertainties that could cause actual results to differ materially. We undertake no obligation, except as legally required, to publicly update or revise any forward-looking statements, whether resulting from new information, future developments or otherwise.
Please refer to the legal disclaimers contained in today's earnings release and other public filings, which are available on both our own and the Securities and Exchange Commission's website. We've made available during this webcast and on the Investors section of our website, Q1 2020 supplemental information that summarizes our financial results and trends. As a reminder, all financial and operating results discussed today are for continuing operations.
In addition, non-GAAP measures are defined and reconciled to the most directly comparable GAAP measure in the appendix to the supplemental information as well as our filings with the SEC and are also available on our website.
Ward and I will begin today's earnings call with a discussion of our first quarter operating performance, portfolio optimization announcements, our updated full year guidance and market trends. Jim Nickolas will then review our financial results and capital allocation, after which Ward will provide some brief concluding remarks. A question-and-answer session will follow. (Operator Instructions)
I'll now turn the call over to Ward.
C. Howard Nye - Chairman, CEO & President
Thank you, Suzanne, and thank you all for joining today's teleconference. We are excited about Martin Marietta's opportunities for operational, safety and financial success in 2022 and beyond. We're off to a predictable start this year, and our company's prospects for attractive growth and value creation are outstanding.
Public and private construction activity are set to expand concurrently for the first time since this industry's most recent shipment peak in 2005, supporting multiyear demand and pricing acceleration for our products. Beyond the benefits of these notable industry dynamics and underlying market fundamentals, we're confident the continued disciplined execution of our strategic operating analysis and review, or SOAR, will allow for responsible and sustainable growth of our coast-to-coast footprint.
As highlighted in today's release, we once again exceeded world-class safety metrics company-wide. That's an important distinction as this performance includes operations that are relatively new to Martin Marietta's Guardian Angel culture. We also achieved a new first quarter record for consolidated total revenues, which increased 25%. Pricing gains ahead more broadly planned April increases, organic upstream shipment growth and 2021 acquisitions all helped drive this top line improvement. Cost inflation, however, outpaced revenue growth, resulting in reduced first quarter profitability and margins versus the prior year quarter. This was expected. In fact, our guidance provided in February weighted increased profit contributions to the second half of 2022 versus historical patterns.
The reasons we anticipated and articulated regarding the shift were twofold. First, our annual price increases, which are some of the largest in Martin Marietta's recent history, most have become effective on April 1. The benefit from which builds throughout the year. Second, our costs, including energy headwinds, were anticipated to be more pronounced earlier in the year since comparable periods in the previous year experienced relatively benign inflation.
What was unexpected, though, was the rapid escalation in energy prices and other cost inflation in recent months. Nonetheless, beyond achieved and yet to be realized annual price increases, we're confident that disciplined execution of our commercial and operational excellence initiatives will more than offset these inflationary headwinds.
It's important to remember that historically, inflation supports a constructive pricing environment for upstream materials, the benefits of which endure long after inflationary pressures moderate. Our teams are actively advising customers of midyear pricing actions, which we anticipate will be widely accepted in more aggressive in scope and magnitude than we were initially considering a few months ago.
Longer term, Martin Marietta is well positioned to execute on our value over volume pricing strategy and benefit from what is expected to be an increasingly more favorable and extended pricing cycle. Confidence in our near- and long-term outlook is further underpinned by the disciplined execution of our SOAR 2025 priorities.
During the quarter, we continued to optimize and enhance our aggregates-led portfolio. We completed the divestiture of our Colorado and Central Texas ready-mixed concrete businesses to the nation's largest privately owned concrete producer on April 1. We also recently entered into an agreement to sell our Redding cement plant, related cement distribution terminals and 14 ready-mixed concrete plants in California, to CalPortland Company. We expect to complete this transaction in the second half of 2022.
Collectively, these portfolio optimization actions both strengthened the durability of our business through economic cycles and enhance our margin profile. We intend to deploy the proceeds from these sales to advance our long-standing capital allocation priorities, facilitating high-return external and organic growth investments to further enhance shareholder value.
Before discussing our updated full year guidance, let's level set first quarter results relative to the rest of 2022. While profits were lower than last year's for the reasons just discussed, the key takeaway is that the first quarter does not represent the beginning of a price cost margin compression trend. Rather, we believe it's the end of the margin compression dynamic for the company. The scale frequency and efficacy of our price increases provide us the confidence to forecast full year margins for 2022, exceeding those of 2021.
In short, we believe better-than-expected aggregates pricing realization and contributions from our newly acquired West Coast operations will offset the divested earnings and expected inflationary headwinds. As a result, we've reiterated our full year adjusted EBITDA midpoint guidance of $1.75 billion. As pricing momentum continues to build during the spring construction season, we anticipate that further pricing upside is probable. Accordingly, we'll revisit our full year guidance after the second quarter.
Turning now to first quarter operating performance for our upstream and downstream businesses, organic aggregate shipments increased 2.5%, reflecting growing public and private demand at the onset of the construction season. Encouragingly, infrastructure shipments increased 6%, the largest percentage increase we've seen in several years. Acquired operations contributed an additional 4 million tons. Underpinned by our value over volume strategy, organic aggregates pricing increased 6.5% or 4.6% on a mix-adjusted basis and reflected improving long-haul shipments from higher-priced distribution yards. All divisions contributed to this pricing growth.
As the largest cement producer in Texas, we continue to benefit from tight supply and robust product demand. Shipments exceeded 1 million tons and increased 10%, setting a new first quarter record. Cement pricing grew 12% from multiple actions taken in 2021 and the resurgence in demand for higher-priced specialty products. With a $12 per ton increase effective April 1 and our recently announced second round increase of an additional $12 per ton effective July 1, the Texas cement pricing outlook is extremely attractive.
Organic ready-mix concrete shipments remained relatively flat despite the completion of several large and typically higher priced portable projects. Organic concrete pricing grew 8%, following off-cycle price increases and the implementation of fuel surcharges. Organic asphalt shipments decreased 3% as significant snowfall in January and February hindered Colorado construction activity. Organic asphalt pricing improved 6%.
Looking beyond the first quarter, we remain confident that attractive market fundamentals and strong demand across our 3 primary end-use markets will drive aggregates intensive growth and favorable pricing trends from Marietta for the foreseeable future. Enhanced infrastructure investment should drive aggregate shipments to this end use closer to our 10-year historical average of 40% of total shipments. For reference, aggregates to the infrastructure market accounted for 32% of first quarter organic shipments.
Department of Transportation budgets for our top states continue to be well funded through traditional revenue sources as well as $10 billion of COVID relief aid, pushing estimated lettings nicely above prior year levels. Increased funding from the Infrastructure Investment and Jobs Act, or IIJA, will further enhance the current strength of our state DOT programs, providing DOTs with increased visibility and certainty to advance their multitude of backlog projects. With full IIJA allocation available for 2023 DOT fiscal years, the majority of which began on July 1, we expect benefits to begin accruing in late 2022 and become more pronounced in 2023.
Nonresidential construction, which drove 36% of Martin Marietta's first quarter aggregate shipments, continues to benefit from the paradigm shift in consumer and work preferences and supply chains as evidenced by increased investment in aggregates intensive warehouses, data centers and reshoring of manufacturing facilities to the United States.
Commercial and retail construction throughout our Sun Belt markets is expected to become more significant demand driver in 2022 as it typically follows single-family residential development with a 9- to 12-month lag. By way of example, Charlotte, North Carolina office trends are returning to pre-pandemic levels with more than 2.6 million square feet of office space currently under construction in that area.
The residential construction outlook remains strong despite rising interest rates and inflationary pressures, following more than a decade of historically low new housing construction, expectations are that annual single-family housing starts remaining in line with early 2000 levels over the next few years. That said, the United States has added over 30 million people in the intervening period.
Given our company's attractive footprint in destination metropolitan areas, we expect Martin Marietta to benefit disproportionately from new home construction for the foreseeable future. As a reminder, construction of single-family homes and subdivisions is nearly 3 times more aggregates-intensive than multifamily construction, given further community build-out of light nonresidential and infrastructure. Aggregates to the residential market accounted for 26% of our first quarter organic shipments.
I'll now turn the call over to Jim to discuss more specifically our first quarter financial results and liquidity. Jim?
James A. J. Nickolas - Senior VP & CFO
Thank you, Ward, and good morning, everyone. For our continuing operations, the Building Materials business posted record products and services revenues of $1.1 billion, a 26% increase from last year's prior quarter and product gross profit of $137 million. Aggregates product gross margin of 14.9% declined 640 basis points. Product shipment and pricing growth was not enough to offset increased costs for diesel, internal freight, other production costs and depreciation, depletion and amortization.
As Ward indicated earlier, our Texas Cement business is benefiting from growing demand and tight supply. Cement product gross margin expanded 630 basis points to 20.3% on a relatively favorable comparison. As a reminder, first quarter 2021 was negatively impacted by production inefficiencies and incremental storm-related costs from the Texas deep freeze. Partially offsetting this favorability were higher energy and raw material costs, in addition to a nearly $9 million increase in planned maintenance costs. Almost half of this year's planned kiln outages and other maintenance occurred in the first quarter. With that now behind us, we expect favorable comparisons for the next 3 quarters versus the prior year.
We are pleased to report that both our Midlothian and Hunter Cement plants began actively producing Portland-limestone cement, or PLC, during the quarter. PLC, which relies on a limestone substitution of carbon intense clinker, was not approved for use by the Texas Department of Transportation until recently. We now expect to ship roughly 425,000 tons of PLC this year.
Importantly, in addition to the lower CO2 emissions, the production of PLC versus traditional Type 1 and 2 cement creates an 8% to 10% increase in annual cement production capacity. Importantly, no incremental capital spending is required as we ramp up PLC production.
Ready-mix concrete product gross margin declined 100 basis points to 7.3% as pricing gains did not fully offset higher costs for raw materials, labor and diesel. As a reminder, first quarter financial results included the Colorado and Central Texas operations that were divested on April 1.
Consistent with seasonal trends in our relevant geographies, minimal asphalt and paving activity occurs in the early months of the year. In fact, our Minnesota-based asphalt facilities, which we acquired in April 2021, were inactive during the first quarter given that market's late spring start to the construction season. In line with our expectations, the asphalt and paving business posted a $13 million gross loss for the first quarter.
Magnesia Specialties achieved record first quarter product revenues of $71 million, an 8.5% increase driven by global demand for magnesia-based chemicals products. Despite top line growth, product gross profit decreased 6% due to higher costs for energy, supplies and raw materials, resulting in a 570-basis point decline in product gross margin to 37.8%. We remain focused on the disciplined execution of SOAR to responsibly grow our business and deploy capital in a manner that preserves our financial flexibility and investment-grade credit rating profile.
As Ward indicated earlier, we plan to use the proceeds from our recently announced divestitures to advance our long-standing capital allocation priorities, which are focused on value-enhancing acquisitions, prudent organic investments and returning cash to shareholders through both a meaningful and sustainable dividend and our share repurchase program while maintaining a strong balance sheet.
We continue to expect full year capital spending of $525 million to $550 million as we prioritize high-return capital projects, focusing growing sales and increasing efficiency to drive margin expansion.
During the quarter, we returned $89 million to shareholders through both dividend payments and share buybacks. While we repurchased nearly 131,000 shares of common stock at an average price of $383 per share, we continue to anticipate a return to our target leverage ratio of 2 to 2.5x by the end of the year. Our net debt-to-EBITDA ratio was 3.2x as of March 31.
With that, I'll turn the call back to Ward.
C. Howard Nye - Chairman, CEO & President
Thanks, Jim. To conclude, we expect 2022 to be another record year for Martin Marietta. We're well positioned to capitalize on infrastructure tailwinds and strong private demand across our differentiated coast-to-coast geographic footprint. Looking ahead, we expect this increasing demand environment to drive multiyear shipment growth and attractive pricing for our products. Our team remains committed to employee health and safety, commercial and operational excellence, sustainable business practices and the execution of our SOAR 2025 initiatives, as we build and maintain the world's safest, best-performing and most durable aggregates-led public company.
If the operator will now provide the required instructions, we'll turn our attention to addressing your questions.
Operator
(Operator Instructions) Our first question comes from Trey Grooms with Stephens.
Trey Grooms - MD
So Ward, you mentioned earlier having a predictable start to the year thus far. If you could go into a little more detail on what you meant there? And then with that, what gives you the confidence to raise the guidance at this point in the year, notwithstanding divestitures, maybe if you could go into more color on how higher pricing and then the performance of recently acquired operations are playing into this confidence.
C. Howard Nye - Chairman, CEO & President
Happy to. Trey, thanks for the question. I guess a couple of things. First, we are actually comfortably ahead of plan right now. So that's part of what we think is nicely predictable about this because where we're sitting, we're not in a hole, we're actually ahead of where we thought we would be. As you know, the first quarter is never a big quarter for volumes. So small percentages can -- or small numbers can make for big percentages in the first quarter. Part of what I think from my perspective was predictable as we didn't have Tiller last year in the first quarter. Obviously, that's a Minnesota-based business, and you're not going to put down a lot of asphalt in Minnesota in January, February and March.
The other thing that's important and Jim outlined in his commentary as well, we actually accelerated some of the maintenance on the kilns in Texas this year. So we're about halfway through with the dollars, more than halfway through with the dollars. So we're going to have on that. So I think both those are important. Obviously, we did see degrees of inflation. But the other thing that we've seen, and I think this is to your point, Trey, what gives us confidence to actually take our guidance up a bit is what we're seeing commercially relative to pricing. We obviously are seeing price increases go in, in April. We would not take up the guidance unless we were seeing what was happening in April and had a high degree of confidence in that.
The other thing, Trey, that I think is different about right now, but in some respects, predictable is what we're seeing relative to midyear price increases as well. So number one, the April price increases have come in the way that we thought. Number two, we're looking at much more widespread midyear producing increases across our footprint than we've seen in a while. As you'll recall, last year, when we did that, we talked about targeted midyear price increases. This year, we're talking about wide spread. In other words, if we're not going to have a midyear, that's going to be the exception this year. And we're also seeing that in scope from $1 a ton to $5 a ton, depending on market, depending on product, et cetera. Part of what we're seeing, and this is a bit of a fundamental shift, customers are considerably more concerned today about getting product than they are relative to price. So again, an attractive place for us to be. We're talking about timing of bid years. This [racemate] they're going to come in somewhere between July 1 in most markets as late as September 1 and others. But I mean to give you a sense of it, and this goes at least back to a part of your question relative to the acquired operations.
If we're looking at the price increases that we're looking at in California right now, we're looking at $2 a ton, that's going to be effective midyear July 1. And again, that represents a double-digit percentage increase versus the January 1 ASP. So you're seeing that nice building effect in that market. Even if we go to a heritage market and look at Central Texas, what we're talking to customers about very candidly there is a 10% increase in July 1 across the board at locations and on products. So as we're looking at where we sit relative to the new acquisitions, if we're looking at the investments that we've made in the cement business here in the first quarter, and we're looking at the overall price increases, and we're looking at the fact that despite the inflation that we saw in Q1 we're comfortably ahead of plan. That gives you a sense of what was predictable about it, but hopefully, it gives you a sense of where we are in areas that gives us the confidence to take the guidance up.
Trey Grooms - MD
Yes, that all makes sense to me and very encouraging, especially on the pricing front.
Operator
Our next question comes from Kathryn Thompson with Thompson Research.
Kathryn Ingram Thompson - Founding Partner, CEO & Director of Research
I'd like to focus a little bit more on the outlook from a customer perspective. What are your backlogs looking like from each of the main end markets, res, nonres and public? And touching on tight availability, it's pretty much at full utilization in Texas and still running short on products like [Turkish] Cement, which has effectively stopped. But if you could also see, how are you going to manage your cement and aggregate demand in light of what you have in backlogs?
C. Howard Nye - Chairman, CEO & President
Kathryn, thanks for the question. I guess, several things. One, if we just look at customer backlog, and that's important to think about that, that's the way we speak to it. If we're looking at aggregates, it's up about 11% year-over-year. So again, a very attractive number. If we're looking at cement, to your point, it's basically sold out. If we're looking at Magnesia Specialties, chemicals has a record backlog right now. So the customer backlog looked very, very attractive to us now.
Equally, if we look at downstream for the different end uses, obviously, we look at Texas, Colorado, California, North Carolina, Georgia and Florida. Those are our leading states. But here's the high-class dilemma that we have. We're looking at FY '22 lettings in Texas, the TxDOT of $10 billion, it's the highest in 5 years. If you look at Colorado DOT, as you recall, Kathryn, they passed a 10-year infrastructure bill with $5.3 billion tied up on that. If we're looking at North Carolina, obviously, if we're looking at the recently passed state biennium budget, it's got a $4.2 billion number for FY '22, and it's going up 17 -- that's up 17% over where it was, and it's going to be higher for '23.
This is my way of saying state budgets are very good. Our ability to put the product on the ground to meet the customers' needs is there. So we are not concerned about meeting their needs. What I think is also important though is, and I'm trying to address in my comments around nonres. We're seeing more office building taking place. We're seeing more reshoring taking place. And I think a lot of that is driven by where we have built our business. And again, you've heard us speak for a while, but where you are in this industry matters a great deal.
So if we're looking at reshoring, whether it's Toyota coming to Greensboro, we now have a Vietnamese car manufacturer in North Carolina. We're looking at Samsung north of Austin. These are large significant commercial projects. But I also think the comment that I gave you in my prepared remarks around office and retail and what we're seeing in markets like Charlotte is important. But again, trying to close up at least in part what I'm saying relative to end markets, we continue to see even on the residential side, underbuilt conditions, and we continue to see very attractive population inflow into our markets.
I think some different states, not Martin Marietta states may see some degree of pushback as mortgages move. We're not seeing that. And the fact is mortgage rates are up 200 basis points as you know, versus the prior year quarter. But as we go back and even look at that, there's no correlation between mortgage rates and single-family starts over the past 4 years.
So what I'm trying to do in response to your question is give you a snapshot of what does it look like at the state level relative to infrastructure. What are we seeing in nonres, both on light and heavy size, and keep in mind, on the heavy side of that, we believe we're going to see increasing LNG activity in South Texas, but light is already better? And again, residential in our states with very high population inflows looks good.
Part of what we've done, Kathryn, as you know, is our capital allocation priorities through cycles has had a position that we've added capacity or efficiencies where we needed to, and we're in a position today to meet customer demands and their needs. At the same time, we recognize we have a very valuable product in the ground, and we're going to stick with our value-over-volume philosophy. I think the way all of that is going to coalesce. We will have the product, we meet the customers' needs, and we'll create enduring value for our stakeholders as well. So Kathryn, I hope that helps.
Kathryn Ingram Thompson - Founding Partner, CEO & Director of Research
Yes, it does.
Operator
Our next question comes from Stanley Elliott from Stifel.
Stanley Stoker Elliott - VP & Analyst
Ward, could you dig a little more into the commercial environment that you're dealing with right now? I know you guys have made a lot of investments there and really just trying to get a sense, historically, when conditions are good, the larger players tend to outperform, say, some of the smaller regional players. Curious if you could tie that into the pricing comments, the investments that you made on the -- that you discussed on the previous question.
C. Howard Nye - Chairman, CEO & President
Stanley, happy to. Good to hear your voice, and thank you for the question. Part of what I think is helping us commercially, Stanley, is where we are. And if we go back to the states that I was listing through and we look at the states that are most important to us from a revenue perspective, these are attractive places to be. I mean being in Texas today, being in Colorado, being in California, North Carolina, Georgia and Florida, where population trends are very powerful helps us. Having leading positions in those states helps us as well.
I think to your point, if we go back and look at the investments we've made, whether it's in North Carolina or Texas or Colorado or someplace else, as markets get tighter and customers need product, we are clearly going to be in a position to do that. Part of what we're seeing in some circumstances today is customers have gone out for quotes and the suppliers are unable to meet those requirements at this time. We end up having the ability to come back and at times, fill orders that we did not get in the first instance because we are very consistent with the value-over-volume philosophy. And again, we're unapologetic about that.
So I think several things: one, it's about the location, Stanley; two, it is about the philosophy that we bring to it; and three, it does go back to the capital allocation priorities that we've had. And you've heard us long say that our best first dollar spent is on the right transaction. Our next best dollar spent is on internal projects because if we're in the process of making the rocks, and big rocks were also going to destroy iron, and we want to make sure we keep these sites well-funded, very safe, very efficient and able to meet market demands, but also flex as demand change. And so far, we've been in a position to do that through a great recession and now through this expansion that we're in. So I hope that helps, Stanley?
Stanley Stoker Elliott - VP & Analyst
It sure does.
Operator
Our next question comes from Garik Shmois with Loop Capital.
Garik Simha Shmois - MD
You mentioned that your guidance is back half weighted for aggregates gross margins. But given the magnitude of price increases you're putting through in January and April, how should we think about, I guess, 2Q gross margins in aggregates, would we still expect that to be down compared to the prior year period? And maybe just help frame the type of margin expansion in the slope of the recovery in the second half of the year?
C. Howard Nye - Chairman, CEO & President
Sure, Garik. Let me turn that to Jim, and he can walk you through that, please.
James A. J. Nickolas - Senior VP & CFO
Yes. Now as you know, we don't give out quarterly guidance. So with that in mind, I'll kind of give you the broad-brush strokes. Q2 should be relatively in line with history. But I think the acceleration we're going to see is more pronounced in Q3 and Q4.
The reasons are twofold. One, the compounding and cascading effects of the price increases has obviously a greater effect in the longer you go into the year. But what's also may not be appreciated is the cost base, the inflation effects should moderate as the year goes on. Two elements. The oil, the energy inflation, we're assuming for guidance purposes, it remains where it's at. We don't see a reduction in oil or fuel prices. We're assuming for guidance purposes. They remain at their elevated levels, they don't come down, so we've built that in. Now that said, last year's corresponding quarters saw increasing costs. So on a year-over-year basis, we'll see improvement there.
The other element is our DD&A is a higher percent of sales in Q1 than typical because of the acquisitions. But meaningfully, that will not increase. That's pretty much a fixed cost. So Q2, Q3, Q4, that element will be fixed and kind of relatively flat, helping margin expansion in Q2 and Q3 and Q4. So we'll get back. We're going to see either record or near record margins in the back half of the year on the aggregate side for those reasons.
Does that answer your question, Garik?
Garik Simha Shmois - MD
No, it does.
Operator
And our next question comes from Adam Thalhimer with Thompson, Davis.
Adam Robert Thalhimer - Director of Research
Ward, I wanted to ask your zeroing on the midyear price increases. And my question would be, do you think this will be a structural shift in the industry? Or do you think this is a one-off due to the high inflation just in 2022?
C. Howard Nye - Chairman, CEO & President
Well, look, you know what I've always said, there are very few things in your life that you want that you can buy for $16 a ton, except in our product. And to put a spec product on the ground and sell it for that is, I think, something that's pretty special. I do think if we go over time and look at the durability of aggregates pricing, one thing that it has shown is it does have the ability through cycles to continue to move up and to the right even in down cycles.
I think you've got 2 things right now, Adam. I think you've got a demand environment that's attractive, that's likely to stay attractive. I think you layer on top of that a demand attractive that is [muddy] in some very specific states where we have purposely built our business. And I think when you take those things together with inflation, I think you do have something that is going to be more profound for a period of time, certainly than it has been over the last several years in a marketplace that has either been flat or, in some instances, down in volume.
So from where I'm sitting, Adam, this is the single most attractive commercial moment during my time as CEO of Martin Marietta. So in a 12-year period, I haven't seen anything that looks more attractive than this does. And obviously, we'll talk more about '23 as we get closer to it next year. But keeping in mind, we're not going to feel meaningful input from the IIJA in this calendar year. You're going to start to see that next year. So there's nothing in what we're seeing that doesn't give me a sense that we're going to be in a very attractive aggregates pricing cycle for a period of years.
Operator
Our next question comes from Phil Ng with Jefferies.
Philip H. Ng - Senior Research Analyst & Equity Analyst
Ward, I guess, at this point, maybe you have a little more line of sight in terms of the lettings associated with the infrastructure build. So kind of be helpful kind of help us think of the cadence of that ramp next year in 2023. Is it going to be front-end loaded in the first year and kind of kicks in meaningfully? Or is it going to be a little more gradual in nature?
And it's been a while since you talked about these LNG projects. Certainly with where oil prices are right now, that's a pretty robust backdrop. Help us understand that potential contribution. And then overall, your ability to kind of supply that demand potentially coming through.
C. Howard Nye - Chairman, CEO & President
Yes. No, happy to, Phil. Thanks for the question. Phil, if you go back over time and think about what we put on the ground back in 2005, 2006, we put 205 million tons in the ground back in 2005. We've added, let's call it, 40 million-ish tons or more of capacity since then. And as you can see, we were modestly over 200 million tons last year. That's my way of saying as we see this ramp up, we can meet whatever is going to be required.
Number two, if we think about cadence, I would say several things. One, please remember, there's about $10 billion of COVID relief aid that you're going to see going into the flow this year. So I think that's going to be helpful relative to cadence, particularly in the back half of the year.
The other thing to keep in mind from last year is there were about $7 billion in new voter-approved initiatives that were passed last November and about [$4.5 billion] of that was in Texas all by itself. So what I would say to you is, here in half 2 this year, we're going to start feeling, I would say, a bit of IIJA. We're going to feel a considerable amount of the $10 billion. We're going to start to feel portions of that $7 billion. As we roll into 2023, typically, if we think about the way a highway bill rolls out in year 1, you're going to see about 20% to 25% spent. So that's going to be in '23. In year 2, it tends to be around 40%. So again, that's going to be in '24, and then the balance of it over the following years.
So it's a practical matter, if we're really looking at '23, '24, '25, '26 and '27, those are going to be the IIJA-impacted years, and I think that's likely to be the type of rollout that we're going to see. And I think remembering that that's going to be augmented by what we've seen in COVID relief funds together with the voter-approved initiatives is the right way to think of it. So hopefully, those percentages at least gave you some direction on that, Phil.
Philip H. Ng - Senior Research Analyst & Equity Analyst
Anything on the LNG side of things?
C. Howard Nye - Chairman, CEO & President
Yes, I'm sorry about that. Look, what we're seeing on the LNG side is severalfold. One, as you recall, Phil, there are several large projects in South Texas, that combined, have about 13.5 million tons of stone that's going to be [revised]. Right now, we've actually only 1 of those jobs. We've actually seen a change order on that. That's on the Golden Pass job. So we're actively involved in that. The fact is whether it's Port Arthur, [Rio Grande], Chevron Phillips or Cheniere, a number of those either have final bids that are going in or they're in the process of sorting out exactly where they're going to be. We believe with energy prices at an elevated level, we're likely to see continued activity there.
The other thing that we're seeing, and again, I'm sure this is not a surprise to you, is we're seeing more wind activity across the United States. We're also seeing more solar activity across the United States. So energy is likely going to be an area that we will continue to see activity ramp up. I've been comforted to see at least to different wind farms that are looking for product right now. So I think between LNG, wind farms and solar all of which are more aggregates intensive than you might otherwise believe, that's going to be a pretty attractive end use for us for a while with a lot of potential times.
Philip H. Ng - Senior Research Analyst & Equity Analyst
Really exciting times.
C. Howard Nye - Chairman, CEO & President
Thanks, Phil. Agreed.
Operator
Our next question comes from Michael Dudas with Vertical Research.
C. Howard Nye - Chairman, CEO & President
Michael, we don't hear you. We're not sure if you're on mute or not there.
Michael Stephan Dudas - Partner
Yes.
C. Howard Nye - Chairman, CEO & President
There you are.
Michael Stephan Dudas - Partner
My (inaudible) gotten away. I'm sorry about that.
C. Howard Nye - Chairman, CEO & President
It can happen.
Michael Stephan Dudas - Partner
Ward, just wanted to like maybe you could share some further observations on what you're seeing from your new acquisitions out in the West Coast. You've gone through some portfolio optimization studies. Are there any other -- I assume they're ongoing, but is there any others that are material that we might think about throughout the organization that we might see more in 2022?
C. Howard Nye - Chairman, CEO & President
Let's start first with what we've done, what we brought in. And I would say they are all performing at or better than we would have thought. So if we look at the Lehigh transaction, California, again, it's ahead of internal expectations after Q1 and by that, I mean, on volume, on price, on EBITDA. These assets, we believe, have substantial earnings growth and has been people control that's in the process of being unlocked. We're talking with our new teammates on the way that we like to think about the way running one of those businesses looks like. We talked about the fact that we've successfully put in attractive January 1 increases for all product lines in California. I think I also mentioned that we've got midyears coming in, in that marketplace as well. Again, that's going to be around $2 a ton in California.
So again, we're very pleased with what we're seeing there. Tiller has been a wonderful acquisition for us as well. Keep in mind, in Q1, Tiller is not going to do much because Minnesota just doesn't have that much going on. But if we look at what we've seen in that business, number one, it was a very good business when we bought it. Number two, we think it's going to be one of the best-in-class in Martin Marietta relative to cash flow conversion. We think it's going to be that way for generations to come. It's got a very attractive aggregates business, but it also has a very attractive hot mix business in a marketplace in which Minnesota has a very aggressive Department of Transportation budget.
The other thing that's been important to us there, and it's been a very nice value add is some of the excess properties that we've been able to sell that have come out of that business as well. So all in all, as we're mining there, a lot of it is sand and gravel and we're reclaiming property and turning it into very attractive commercial operations or pads going forward, that's been a very, very attractive business for us. So I would tell you that there's been nothing in the major transactions that we did last year that has, in any respect, the disappointment. In fact, they've all exceeded what we would have believed.
Relative to the optimization, as you would imagine, part of what we've been focused on is what we've launched said we are and that is we are an aggregates-led company. At the same time, if we look at the portfolio that we have, I will tell you very candidly, we're very pleased with the portfolio that we have. So I wouldn't be looking for enormous changes in that portfolio. But what you'll also see with the shifts that we've made and the sale of the ready-mix business in Colorado and Central Texas that we've done, if you look at the initial portfolio breakdown and product line contributions with what it looked like before that transaction, and what it looked like after that transaction. Obviously, the aggregates-led portion of it went up fairly notably. And what you'll also see is that we're looking for about 120 basis points of margin improvement with what we've done relative to the portfolio as well.
What you and I know is different markets are built differently. In some markets, you need to be vertically integrated, in some markets you don't. Obviously, if we think about the business that we have in Texas. We're the largest aggregates player. We're the largest cement player and the largest ready-mix player, and we think that's an important way to face the market. Equally, if we look at the business that we have in Arizona today, the ready-mix business that we have in Arizona is a very, very attractive ready-mix business.
So part of what we've done over a period of nearly 30 years now is try to be very purposeful in where we have built our portfolios, how we built it and what the products are. And we believe with what we've already done and what we have pending right now, relative to sale of Redding in Northern California, the ready mix in California and then the preferred transaction that we have with CalPortland relative to hatch. It's a lot of moving parts, but we think it's all value-additive moving parts.
Operator
Our next question comes from Keith Hughes with Truist.
Keith Brian Hughes - MD
My question is on PLC, which you do described earlier. A couple of things on that. Does that sell at a higher sales price to the customer than just traditional cement? And do you have a feel for how big a business could this be? How well is it accepted in the -- specifically the Texas markets?
C. Howard Nye - Chairman, CEO & President
No. Look, thanks for the question on that. So a couple of things. One, it doesn't sell for anything that's markedly higher. I mean part of what is happening with, Keith, is different departments of transportation have gone about the process of either approving it or not approving it on different time lines. So frankly, it's now allowed by TxDOT.
The short answer is, it performs very similar to Type 1 and Type 2 cement. It certainly helps, as Jim outlined, with incremental capacity. It does lower raw material costs and it puts you in a position that you can use less carbon-intensive clinker over time as well. So they're just a series of components to it that from a cost input perspective, from an environmental perspective and a capacity perspective could end up being actually very attractive. And as you know, Keith, we're a cement producer in Texas, and cement is very tight in Texas. So from a timing perspective, this is very, very helpful because obviously, [FM7], which you will have will bring significant efficiencies to that business. We'll obviously get some other components from those efficiencies that we believe might help meaning the volume of that market more, combining that with what we see in PLC. That's a very attractive trifecta in a marketplace that's seeing increasing pricing right now.
Operator
Our next question comes from Timna Tanners with Wolfe Research.
Timna Beth Tanners - Analyst
Why don't you just explore the cement shortage discussion a little bit more? And what alleviates that, if there needs to be incremental capacity or if this is just a logistics shortages? There's been a little bit of imports from Mexico, and I just wanted to get a little bit more of your perspective about how that plays out. If this is a true shortage or if it's just about like labor and logistics or your thoughts there would be great?
C. Howard Nye - Chairman, CEO & President
No, Timna, thank you for the question. And not because I think it's going to be: one, it's real, it's tight; two, I think it's going to stay tight for a while. If we go and look at the reports that come out from the controller, I mean what you will see is Martin Marietta's market share. And again, this is really Texas conversation that you and I are having is usually around 20% in that marketplace. We see that move around a little bit.
To your point, imported cement has seen its share move around over time as well. Historically, imported cement in Texas has been 10% to 12%. I think the most recent numbers I've seen has it modestly over 17%. So that gives you a pretty good sense of that's what's having to happen as we speak to make sure that the market is actually fed. I think part of what happens in Texas, too, Timna, if you think about it, when you're riding in New York, you're riding on asphalt roads. When you're riding in Texas, you're writing on concrete roads. And part of the reason I mentioned that, is infrastructure has always been one of the higher percentages in Texas of the downstream markets that we have. We think it's going to continue to be that way. At the same time, if we're looking at the nonresidential projects that are underway in that marketplace, they too tend to be relatively concrete intensive because they're structural in nature.
So is it tight? Yes. Are we actually going to add efficiencies and as I mentioned before, have a byproduct of what we think might be capacity through [FM7]? The answer is yes. Do I think PLC cement helps in that marketplace? I think that answer equally is yes. But here's something to keep in mind, Timna, West Texas with the energy sector having been where it's been over the last several years, has not been particularly buoyant. We're seeing that market come back right now. That's some of the more attractive pricing in the state. And at the same time, adding capacity is, number one, very expensive. And number two, regulatorily, quite challenging. So I -- that's my way of saying it is tight. It's not manufacture tight. It's not a labor type, it's just tight. And I think it's likely to be that way for a while. So I hope that helps, Timna.
Timna Beth Tanners - Analyst
So between energy and infrastructure still on the come, there's even more demand around the corner and not a lot of new supply. Is that fair?
C. Howard Nye - Chairman, CEO & President
It feels like Texas is a good place to be. I think that's right.
Operator
Our next question comes from David MacGregor with Longbow Research.
David Sutherland MacGregor - President & Senior Analyst
And Ward, it's nice to hear your characterization of the aggregates market right now. It's the most commercially encouraging you've seen or the best moment you've seen in the past 12 years. I think that says a lot. I guess my question was with respect to the midyear price increases. And I'm just thinking back over the years, midyear price increases always had kind of a limited second half benefit, but certainly an important compounding benefit to the subsequent year.
Is there anything different this year with respect to how we would phase in those mid-year price increases? Maybe your ability to price backlogs or maybe there's escalators in that business now that hadn't been there in the past. But I'm just wondering if there's anything different this year with respect to that phasing.
C. Howard Nye - Chairman, CEO & President
Yes. I think volume is clearly going to be growing in the back half of the year, and it's going to be growing into next year. So I would say 2 things. David, if you think about the ASP increases that we've already seen in Q1, ahead of major price increases that we're putting in on April 1, I would encourage you to start thinking about this year's midterm -- midyears in that way as we think about next year.
As a general rule, and there are always exceptions to general rules, as you know. As a general rule, you'll recognize about 25% of a midyear price increase in the year in which you put it because you're protecting customers on volume that you've already committed to them. Now to the extent that they're going through product more quickly this year, you might recognize more. I think the primary thing that I would say relative to the midyear, David, and back to my commentary that it's the most attractive commercial market that I've seen as CEO. It's simply going to be on the width, breadth and amount of them. I just think we're in a place that we will see more of them at higher dollars than we've seen for a while. As I think I indicated early on, we're seeing good years that could be anywhere from $1 a ton to $5 a ton depending on product and market dynamics. And it's been a long time since you and I've had that type of conversation.
David Sutherland MacGregor - President & Senior Analyst
Yes, definitely. Congratulations on all the progress.
C. Howard Nye - Chairman, CEO & President
Thanks so much, David.
Operator
We have a question from Courtney Yakavonis with Morgan Stanley.
Courtney Yakavonis - Research Associate
Just wondering, obviously, very exciting to see the increase to pricing in the guidance, but you didn't change your volume outlook, and I believe this is primarily due to that tight market and largely logistic constraints. Can you help us just understand if you are starting to see any softness? Obviously, we're seeing freight rates come down. And then similarly, just on the job site, if there's any improvement in some of the supply chain constraints that we've been seeing? Or is it still too early to call at this point?
C. Howard Nye - Chairman, CEO & President
Courtney, it's a great question and savvy. I do think it's too early to call right now. A lot of the same constraints that we're seeing last year, we continue to see right now. I will tell you, at least from supply chain to us relative to our own internal capital projects. We're not seeing big issues there in large measure because most of our supply chain is the domestic supply chain instead of international. But I do believe we're going to be faced with for a while the same labor issues for contractors. So I think that is getting better. I think transportation will continue to be constrained for a while.
The other thing that Jim mentioned, it's not so much a supply issue, it is a cost issue. We did go back and adjust basically where we had our fuel for the rest of the year. We came into the year, as I think Jim has mentioned, with about a $25 million headwind on fuel, we're assuming it's going to stay there. So actually, in the guidance that we've given you, we've assumed that there's about a $75 million headwind on that. So I wanted to make sure I spoke to you about that headwind as well as what we're seeing overall in the supply chain. But I think the short answer is Courtney, it's still too early to know for sure.
Operator
Our next question comes from Brent Thielman with D.A. Davidson.
Brent Edward Thielman - Senior VP & Senior Research Analyst
Ward, I've heard you mentioned in a couple of occasions on this call, how critical it is for the customers to get the product as quickly as possible in this sort of environment today. And I've heard that from others as well. Are you needing to make incremental investments at your sites to support that? Or is this just a situation where your scale and proximity give you a leg up right now?
C. Howard Nye - Chairman, CEO & President
Brent, it's a great question, and I think it's the latter. And I think it's fortunate that we've been in a position that as we've gone through cycles, we've been able to very consistently invest in our business. We've never had to pull back on the CapEx stick for such an extended period of time at such a low base that we've done intrinsic harm to the business. And in fact, if you go back over time and you see where we've been, we've largely been around 9% of revenues relative to our CapEx, and we've been pretty consistent with what we're doing inside our business.
So I do think that puts us in the position that we can meet customer demands when other businesses that have not been as fortunate as we have from a capital allocation perspective, on occasion, can't. But again, I think it's important to say, too, that we're going to be very careful in the way that we do that because we want to make sure we're recognizing the value of our product.
Operator
And we have a question from Michael Feniger with Bank of America.
Michael J. Feniger - Director
When we look at your updated pricing guidance for aggregates of 9% to 11% and kind of where you started with the first quarter how you're going to build, and it looks like you're going to exit the year above that range in the 12% to 15% range. So just why can't double-digit pricing in 2023, is that just the baseline that we should be expecting? And with that level of pricing, what type of incremental margins should we be kind of thinking about on that level of pricing as that cost base hopefully normalizes by 2023?
C. Howard Nye - Chairman, CEO & President
Michael, thanks for the question. I love your vision. The fact is we'll talk more about 2023 when we get closer to it. And I think your point to that, and I'm going to ask Jim to speak a little bit to the type of build that we think we're going to see and where things are going to exit. Obviously, we would not have taken up the midpoint of guidance unless we had some confidence in what we're seeing here in April.
But Jim, you want to address at least the build?
James A. J. Nickolas - Senior VP & CFO
Yes. So you're right. The exit momentum, it will be higher than the ASP growth momentum will be more accelerated, more robust at the back half of this year versus today leading to hopefully continuation of good things into next year. So I think that makes sense, what you just said. And as a mathematical matter, yes, that should imply a very robust incremental margins in a scenario that maintains those price increases especially where we have a cost inflation moderation scenario, which is likely to occur at 2023.
Operator
There are no other questions in the queue. I'd like to turn the call back to Mr. Ward Nye for closing remarks.
C. Howard Nye - Chairman, CEO & President
Katherine, thank you. And thank you all for joining today's earnings conference call. We're confident in Martin Marietta's prospects to continue driving attractive growth and superior shareholder value, underscored by our consistently executed strategic priorities and a supportive environment in terms of demand and pricing. Integral to the long-term success of our employees, communities and stakeholders are our sustainable business practices. To learn more, we invite you to read our recently published 2021 sustainability report, which is available on the Sustainability section of our website.
We look forward to sharing our second quarter 2022 results in the late summer. As always, we're available for any follow-up questions. Thank you for your time and continued support of Martin Marietta.
Operator
This concludes today's conference call. Thank you for participating. You may now disconnect.