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Operator
Good afternoon, ladies and gentlemen. This afternoon's call will be hosted by Ewen Stevenson, Chief Financial Officer. Please go ahead, Ewen.
Ewen Stevenson - CFO & Executive Director
Thanks, Laura, and thanks to all for joining the call this afternoon or this morning, wherever you are. It's Ewen Stevenson here. I'm joined by Robert Begbie, our Treasurer; and Matt Richardson, Head of Fixed Income Investor Relations.
We've got some fixed income slides onto our Investor Relations website, which Robert and I will now step through. I'll provide a quick review of our half year results that were out earlier today, then focus on our key credit messages. Robert will provide an overview of our balance sheet along with our issuance plans. And then we'll leave plenty of time for your questions at the end.
So those of you who've got the slides in front of you, please turn to Slide 3. Overall, I'm encouraged by these results. Second quarter in a row of bottom line profitability, attributable profits of GBP 680 million in the quarter, a statutory return on equity in Q2 of 8%, and we're on track to meet our 2017 and 2020 financial targets.
In the core bank, good continued momentum. Relative to the first half of 2016, we delivered a strong operating improvement. Our income was up almost 9%, and that included 4% growth across PBB and CPB.
Costs were down 4%. And that drove JAWs of almost 13% and reduced our core cost-to-income ratio from 62% to 54%. The adjusted return on equity was up more than 3 percentage points to 14.1%, and our adjusted operating profits were up 29%.
On our legacy cleanup, we're getting there. Since the start of the year, we've resolved most of our remaining larger legacy issues, including the 2008 rights issue litigation and FHFA. We're well progressed with the solution for Williams & Glyn. We're comfortably on track to wind up capital resolution by year-end, and we're back to being investment-grade rated by all 3 agencies, which has helped drive much lower funding spreads this year.
On our core capital, we achieved a strong core capital build in the first half. Our core Tier 1 ratio was up 140 basis points to 14.8%. And this is further underpinned by today's disclosure on IFRS 9, with the day 1 impact for us expected to be modestly core Tier 1 accretive. But as we look out for the next 6 to 12 months, we recognize it's a more uncertain macro environment. And given this more subdued outlook, we believe we're being appropriately cautious in our overall risk appetite.
On the next slide, Slide 4, the progress that we've made during this year makes us increasingly confident in our credit story. Firstly, given our business mix, spanning retail through to wholesale, we've got a well-diversified income stream. We're not overly reliant on any single customer or product segment. Secondly, our combined 3 core businesses are generating attractive returns and have been consistently doing so now for the last 10 quarters. Thirdly, we've been deliberate in how we allocate our risk appetite, growing in areas that we want to grow while being much more selective in other areas. And fourthly, we aim for 2017 to represent the last year of heavy legacy cleanup across capital resolution, Williams & Glyn and litigation.
And alongside the other progress we've made during the first half, we've continued to build -- both build our core capital ratio and also to rightsize our capital stack towards future developments.
On Slide 5, with the progress we've been making in putting legacy issues behind us, the strength of our core business becomes increasingly transparent. What differentiates our credit story relative to U.K. peers, I think, is both the spread of our income and the increasingly low-income volatility across personal, private, business, commercial and wholesale banking. No segment drives more than 40% of our income, and wholesale banking is only 16%. Over time, we believe this business mix should drive a much lower discount rate being applied to our cash flows.
On Slide 6, if you look at our 3 core businesses, we're building a strong track record in generating attractive and stable returns. As we get towards the tail end of our restructuring, this becomes increasingly visible with stable and consistent profit generation, not overly reliant on any single customer or product segment.
On Slide 7, a brief word on how we're allocating our balance sheet in broad terms towards secured lending and personal banking and where we can earn appropriate risk-adjusted returns in commercial. Customer loans across PBB and CPB grew by 4.1% annualized in H1, and customer deposits were up by 4.9%.
In personal banking, we're prioritizing secured mortgage lending. Mortgages increased to 49% of our total loan portfolio, up from 47% at year-end. And we're consciously trading off some NIM to continue to build market share.
Over the past 3 years from a strategically underweight position, we focused on building share in the mortgage market, with average LTV of new lending consistently around 70% and average LTV of the book overall consistently less than 60%. We've been more cautious in the unsecured consumer space, most notably our absence from the 0-balance transfer credit card market.
In Commercial Banking, we're continuing to be cautious on segments like commercial real estate and also repricing or exiting lower-returning corporate relationships.
On Slide 8, despite the GBP 1.2 billion of exceptional items in H1 from restructuring and conduct costs, as we progress towards the end of our legacy issues, our core Tier 1 ratio improved by 140 basis points in H1, including 70 basis points in Q2. With our core Tier 1 ratio at 14.8% at end Q2, we're comfortably in excess of our 13% target.
On RWAs, in total, these were down by GBP 13 billion in H1 to GBP 215 billion, including a reduction of more than GBP 6 billion in Q2. One of our targets by the end of 2018 is to work the capital in the core bank much more productively and to reduce gross RWAs by at least GBP 20 billion. We've reduced them by just under GBP 9 billion in the first half, so we're comfortably on track with our Q4 2018 target. That underpins the improvement that we're now seeing in our core returns.
And with that, let me hand over to Robert.
Robert Begbie - Member of the Supervisory Board
Thanks, Ewen, and good afternoon, all. It's been a busy and successful 6 months in treasury. The balance sheet continues to improve, and we have reported strong regulatory ratios for both capital and liquidity.
We have completed the release of GBP 30 billion of distributable reserves from our capital reorganization. We are firmly on plan to meet our issuance needs for the year. I've been particularly pleased by the strength of reception to our deals, with issuance across senior holdco, opco and our return to the covered bond market.
The markets have recognized those strategic progress, with spreads tightening sharply across the capital structure. And I'm delighted to have received an upgrade to our baseline credit assessment from Moody's, which moved our senior holdco ratings to investment grade for all agencies. And finally, we are delivering on our structural reform agenda, with ring-fencing plans progressing well.
So turning first to an overview of the balance sheet on Slide 11. We have maintained a solid set of key balance sheet metrics over the year. Our loan-to-deposit ratio held steady at 91% as deposit growth broadly supported targeted lending in our core franchises, whilst our LCR is up from 123% to 145%, reflecting the benefit of our issuance program with GBP 7 billion raised and our continued use of the Term Funding Scheme. Although I would note, the recent settlement with FHFA will reduce the ratio by approximately 6%.
We continue to monitor regulatory developments, including changes to the leverage ratio regime in the U.K., the PRA consultation paper on liquidity and MREL buffers, impacts on capital imposed by the introduction of IFRS 9 and the ongoing evolution of the Basel regime.
Ewen already touched on the major movements in our capital and leverage positions during the first half, so let's turn to look at regulatory requirements on Slide 12. A chart you will recognize from previous presentations, this outlines how regulatory buffers continue to phase towards full implementation in 2019. It's a stable position over the half year, following the significant progress we made in 2016. As a reminder, last year's Pillar 2A requirement reduced by 1.2%, and our G-SIB requirement reduced by 1/3. We also note the reintroduction of the countercyclical buffer from June 2018, albeit this was already factored into our capital plan.
Ewen outlined how we view ours to be an improving credit story, and we continue to believe this improvement will be aligned with the phasing in of our capital requirements. Our progress in resolving legacy issues is, of course, central to reviewing our underlying earnings profile.
Turning to Slide 13 and our ability to service coupons. H1 2017 saw the successful reclassification of our share premium and capital redemption reserve accounts, increasing the holding company distributable reserves by GBP 30 billion. To put our reserves of GBP 38 billion in context, annual CRR compliant AT1 coupons at approximately GBP 300 million per annum and the nominal outstanding legacy Tier 1 equity tendered preference shares are just below GBP 3 billion.
Turning to look at how we are moving forward with future MREL requirements on Slide 14. We received guidance in May on our MREL requirement. Fully phased, this will be approximately 28%, including CRD IV buffers. The major focus for us is building up approximately GBP 25 billion of bail-in securities over and above CRR capital requirements. This equates to approximately GBP 3 billion to GBP 5 billion senior holdco issuance per annum. The third term will, of course, be sensitive to our end balance sheet size and final capital requirements.
Turning to Slide 15. For a number of years, we have been very transparent that we intend to manage our legacy capital stack for value. I want to take this opportunity to give investors some guidance about recent decisions we have taken to prioritize the call of securities with highest economic benefit.
Firstly, we have decided not to exercise the first call option onto a non-step equity accounted preference shares. These securities offer transitional Tier 1 benefit through the remaining CRR grandfathering period while redemption triggers significant FX revaluation-related CET1 impact, which we cannot justify given the marginal offsetting coupon saving.
Second, we intend to redeem 2 other equity accounted Tier 1 step-up securities when their call period opens in 2 days' time. Whilst step redemption leads to a CET1 impact, the securities offer limited future regulatory capital value.
And third, we intend to call 7 debt accounted Tier 1 securities now or in the near future. These command coupons ranging up to 9% with no associated FX translation loss.
Turning to look next at our issuance plans on Slide 16. I've been delighted with the strength and breadth of market access we've been able to demonstrate in the first half. With respect to funding, we made a successful return to the covered bond market after a 5-year absence. This is a program which will provide ring-fence funding and liquidity in the future. And we also issued shorter-dated opco senior intended to support our future non-ring-fence entity, NatWest Markets Plc. You should expect to see us continue to issue in both markets going forward. And we have continued to be an active participant in TFS [scheme], albeit we do this with a clear mind to refinancing ahead of maturity.
And with no active need for additional Tier 1 or Tier 2, our focus has primarily been on building our MREL stack. Year-to-date, we have issued GBP 3.6 billion equivalent of MREL senior holdco securities versus our GBP 3 billion to GBP 5 billion target.
And finally, a quick word on ring-fencing on Slide 17. Our plans are progressing well following legal entity transfers at start of year. The next step is to begin customer migration. We do not expect to move any of the existing issued debt from its original entity. So for example, debt issued from RBS plc today will remain an obligation of the entity, which will be known as NatWest Markets Plc in the future. The exception is the covered bond program, which is in the process of being transferred from RBS plc to NatWest Bank Plc.
We continue to work with the rating agencies as they evolve their view on the future implications of ring fencing and note S&P has recently guided to non-ring fence entities being one notch lower.
Also, as part of our planning for the U.K.'s departure from the European Union, we will repurpose our existing license in the Netherlands, RBS NV, to provide products and services for our customers who operate in or need access to the single EU market.
And with that, I'll hand back to Ewen.
Ewen Stevenson - CFO & Executive Director
Thanks, Robert. So in conclusion and before I open up for Q&A, overall encouraged by these results. Second quarter in a row of bottom line profits, in context, our best set of bottom line half year results since the first half of 2014. And we're on track to meet our 2017 and 2020 financial targets.
In the core bank, good continued momentum and strong operating JAWs on our legacy cleanup, we're definitely getting there. And on our core capital, we've achieved 140 basis points core capital build in the first half. But as we look out, we recognize that it's a more uncertain macro environment, and we do believe we're being appropriately cautious in our risk appetite given that outlook.
So with that, if I could please open up for your questions.
Operator
(Operator Instructions) We will take our first question from Aditya Bhagat from HSBC.
Aditya Bhagat
Firstly, congratulations on a very good set of results and for the upgrade earlier. My question is unsurprisingly on the non-steps, noncore. I wanted to understand how can we -- would the -- could the decision be different if this was not a non-step instrument but a step-up? And secondly, how could -- how can we read parallels, or can we read parallels, when making call decisions on AT1 bonds when they have similar FX losses or gains?
Robert Begbie - Member of the Supervisory Board
Thanks for the questions. Let me take them in order. I mean, you will have seen as part of the package today, we did call some step-up securities. So I think in relation to the lenses we look through in terms of whether to call or not, clearly, that's a consideration as to whether they offer any transitional value. The non-step ones did. The step-up ones didn't. So therefore, despite the fact there was a CET1 hit on the step-ups, it clearly made sense to still go ahead with the call on those ones. I wouldn't read too much into today's decision in terms of future decision-making around AT1. I mean, we manage our FX positions on a portfolio basis. The securities' FX exposures is part of that, but there are other parts to that around subsidiaries and income we have in different currencies. So I think the main feature really was, if you looked at the coupon reset on those securities, then it made a lot of sense for us from an economic perspective to hold on to them at the moment as they are transitional Tier 1.
Aditya Bhagat
And just to follow up on that, is there a -- would you consider it a possibility that these could count as Tier 2 eventually? I know your Pillar 3 currently states that these will not count. But is there scope of that view changing?
Robert Begbie - Member of the Supervisory Board
I mean, we've eventually taken a pretty conservative view on looking at the legacy portfolio. As things currently stand, we look at emerging regulations in the same way as everybody does. But as things currently stand at the moment, we're comfortable with the position we've taken in terms of that conservative view.
Operator
Your next question comes from the line of Lee Street from Citigroup.
Lee Street - Head of IG CSS
Two questions from me, please. First one on the noncore securities here. Just you specifically mentioned rating considerations. Can you give just a bit more detail on that? Is it -- does it relate to ALAC benefit in S&P? And if it doesn't, is it fair to assume that over time, you should issue more and more holding company seniors that will replace it in terms of ALAC benefit? And secondly, a little bit of a hypothetical one. But once RBS has settled with the DOJ on RMBS, do you think you'll keep a of buffer in excess of your 13% CET1 target ratio to account for the potential impact of Basel IV, as we're seeing many of the continental banks do? Or do you think you'd be otherwise looking to return the excess capital to shareholders? Those are my 2 questions.
Robert Begbie - Member of the Supervisory Board
Thanks, Lee. I mean, I'll take the first one and probably get Ewen to answer the second. Yes, I mean, look, we've -- LGF and ALAC is one lens we look through. We're within a journey here in terms of both retiring securities and issuing new securities, the bail-in-able securities through MREL. So we just need to keep a watching eye on that. Clearly, the -- those metrics are forward-looking as well in terms of future issuance funds. So yes, I mean, we would expect over time to clearly get to a position where the new securities will meet in what we require. We're also putting that in the context of our underlying story that we are an improving credit as well. And we've seen some of the benefits of that coming through in terms of the recent Moody's action. So yes, you would expect to see those new securities replace them over time. And yes, we just need to keep an eye on those metrics as we kind of go through that transition period.
Ewen Stevenson - CFO & Executive Director
Yes. On the second question, it's a very good question. The -- as you know, we've got a 13% target. As we look out and talk about all of the things that we sort of -- known and unknowns today, to some extent, we know that we've got mortgage floors coming in Q1, probably during 2020, probably the back end of 2020. We think that's going to lift mortgage risk weightings in the U.K. towards 15%. We know that we've got IFRS 16 on, which will bring back on balance sheet at least on property. There's the incremental capital and earnings volatility introduced by IFRS 9 that we're still working through. As you alluded to, these Basel III amendments, as and when they get finalized and as and when we understand the implementation timetable. And we're also doing some additional work around ICB and some of the loss of diversification benefits on capital that, that creates as a result of the structure. All of that is a very long way of saying that I think it -- while we are targeting normalizing for 13%, we've still got to know what 13% is in the future. So we have to do all of that work as some of this other stuff becomes clearer. And I think realistically, as we saw with Lloyds, when they started returning to capital distributions, it will take some time to normalize back to our capital target at that point.
Operator
Your next question comes from Greg Case from Morgan Stanley.
Gregory Case - Strategist
So just a couple from me, if you don't mind. So just thinking about how you guys evaluate the core/noncore decision, is it -- could you give any guidance on whether or not you look at it through, let's say, a payback or an NPV basis? And I'm also just thinking about the FX loss baked in within that. I think given that the step-ups had a significant FX loss, and I guess the accumulated coupons as well added to that cost of taking those bonds out, is it fair to say that FX is -- was the primary driver behind this noncore rather than the excess Tier 1 value? And then the second question will be following on from that one, if you can consider that one just a single question. I'm just wondering around your -- where you want to be running as a level of Tier 1 capital obviously from a non-equity perspective. You guys clearly already have an excess, so leaving these outstanding is that just adding to that? So just any guidance on to any -- the level of management buffer you might want to operate over and above the Pillar 1 and Pillar 2 minimums?
Robert Begbie - Member of the Supervisory Board
Okay, Greg. It's Robert here. Let me kind of answer them in order. I think I've kind of partly answered your questions through some of the other questions. I mean, the -- FX is one lens we look to, but it's not certainly the primary one. The primary lens was just really in terms of looking at the overall security mix we had. We looked at the reset on these particular bonds and then effectively the cheapest transitional Tier 1 bonds we have left in the bucket. So a combination of that, some NPV calculations. And yes, clearly FX was a factor. But as I said, we were -- it wasn't the main factor, as you've seen with the step-ups where we were comfortable to take that loss into it. I think on the legacy and where we would end up with a buffer, I think we'd look long term from -- [gating] the Bank of England on the -- I mean, we've -- I mean, I think what we've done today or what we've announced today actually takes us below our grandfathering account for this year anyway. So we are getting on with this, and we've retired over 2/3 now of that legacy stack going through.
Gregory Case - Strategist
Okay. So it's primarily a discussion with the regulator rather than kind of aiming for the Pillar 1 and Pillar 2?
Robert Begbie - Member of the Supervisory Board
No.
Ewen Stevenson - CFO & Executive Director
No, Greg, I wouldn't characterize it as primarily driven by conversation with the regulator. I'd say it's primarily driven by conversations that we had internally and our views, as Robert said, on a range of factors.
Robert Begbie - Member of the Supervisory Board
Yes. I think future buffers will evolve from the regulators, but the call decisions themselves were taken by management here. [Creditor] -- the U.K. regulator, I mean we have the guidance this half in terms of our MREL requirements, which are broadly in line with what we were expecting before. So we've got a clear solve to it, and it's just navigating that path from here.
Operator
Your next question comes from Corinne Cunningham of -- from Autonomous.
Corinne Beverley Cunningham - Partner, Banks and Insurance Credit Research
I think most of my questions have actually already been answered, but just one quick one on the FX effects. Should we simply be looking at the spot FX versus the spot rate issue? Or are there any other hedges and things going on in the background, which will mean that, that's just not a one-for-one movement?
Ewen Stevenson - CFO & Executive Director
Yes. I mean, the answer is yes, you need to consider that in the round. I mean, we -- as I say, we are -- despite the fact we're getting this smaller bank from an international footprint point of view, and clearly, we don't have as many overseas businesses as we had, having divested Citizens, and clearly, we've got a much smaller U.S. footprint now, it is in the round where that overall hedging program works. I mean, we operate on the basis we're trying to minimize impact on CET1 through FX movements. So the fact those securities were issued at some point in the past when cable was a lot higher. The benefits, the other [phase to] that, has come through over time in terms of other aspects of the balance sheet.
Robert Begbie - Member of the Supervisory Board
The numbers that we've given you, for example, in the slide and the disclosure today, that's just solely, though, on the translation of those securities. So we haven't factored in a hedge number into that. And I think if you're having a look at the Excel doc that we've got on there from the Pillar 3, you can back out the rates which these were originally put on that. There's a notional versus that which we're carrying at sterling. And so that will give you a good idea.
Operator
Your next question comes from Robert Smalley from UBS.
Robert Louis Smalley - MD, Head of Credit Desk Analyst Group, and Strategist
A couple of quick questions. And I don't mean to beat the dead horse on this one, but just broadly speaking, how will you be looking at calling the remaining legacy equity-accounted Tier 1s? Because I've noticed that like the 6.6%, preferred S series is outstanding still. That's -- so just broadly, how will you address that, is my first question. Second of all, in the appendix on Page 22. Does a -- do the numbers that you have here include the calls, et cetera? Or is this going to look significantly different next time we see this slide? And then thirdly, very good results in Markets, but on Page 20 in the appendix, you've got the adjusted ROE in Markets at 7%. Is this part of the capital allocation or reallocation that you're looking at doing? And then I'm sorry to add a fourth one, but LCR ratio, very high in the presentation you did earlier this morning. It cost 8 bps in NIM, increased liquidity. What do you think the right number is for that?
Robert Begbie - Member of the Supervisory Board
So I'll -- Robert, it's Robert here. I'll cover all -- probably 1, 2 and 4, and I'll let Ewen talk about the market's business performance. Yes, I mean, in terms of the future portfolio, the legacy portfolio we've got left, we'll continue to do it on the same way as we've done this, which is to really look at what transitional value there is, what the cost of that is and any associated hedging benefits or otherwise that accrue from that. So as I say, I don't think people should take any indication based on what we've done today. I mean, today, we've announced a package which we felt that was the right way to guide the market. So we're fully transparent about what we were doing at this point in time. And as I said, we're kind of 2/3 of the way down the legacy stack, and we're getting on with that. On the table, I'm reliably informed that's after calls, so it's [down half -- 1/2 to the other]. On LCR, I think Ewen talked about it this morning, but I may just touch on it. There was a number of factors building up our liquidity position in the first half of the year. I mean, one, clearly, we were aware that we had some sizable U.S. litigation to pay out at some point during the year. We've settled the FHFA part of the $5.5 billion. We intentionally got out of the gates reasonably early in terms of our issuance plans. We felt that the market was in a good place. You've seen what's happened to spreads generally. And certainly, our spreads have performed well, and there was a good, open, active and interested investor market for us. So if you put together the MREL, the opco, the covered bond, we got to around GBP 7 billion, which was certainly ahead of our run rate for our issuance funds for the year. The TFS part of it, well, TFS, we believe, is a good source of liquidity-efficient funding for the next 3 to 4 years. There is a window of drawdown, which closes in February next year. So we had in the plan a certain amount of TFS we wanted to draw. We feel it's a good way to help fund the growth in our business going forward, especially the mortgage business where we're seeing good growth. So a lot of those things came together in terms of the buildup of liquidity. Clearly, that has an impact on the net interest margin because of the I -- interest-earning assets line. We've paid out the FHFA. I think we -- as I said, that's around 6% off the ratio. We would still have some future U.S. litigations with DOJ at some point, and we'll have business growth that's built into that. So we have our own internal liquidity risk appetite that we would certainly expect to be above going forward. But I think I'm reasonably comfortable. We don't want to be accused of not being efficient around liquidity, but I'm certainly comfortable with the fact that we're in a healthy position going into the second half of the year.
Ewen Stevenson - CFO & Executive Director
Yes. Robert, on your question on NatWest Markets, I think we're still in the middle of a multiyear restructuring of the business. We set out that we are trying to build a business that has GBP 30 billion of RWAs, has an all-in cost structure of around GBP 800 million and therefore should be able to produce acceptable returns with revenues of about GBP 1.4 billion or GBP 1.5 billion. So there's currently some very heavy fully expensed investment spend that's going through the cost structure. But if you look at the -- if you double the number that's on Page 20 on adjusted operating expenses, you can see that we've still got a long way to go to get that cost structure down to where we need to get it to. And therefore, had we produced the income streams that we had produced in first half with an GBP 800 million cost structure, the returns would be substantially higher and well above the cost of capital.
Operator
Your next question comes from the line of Christy Hajiloizou from Barclays.
Christy Hajiloizou - VP
Most of my questions are answered actually, but I've picked up a couple of others. Just on the PRA mortgage review, Ewen, you mentioned it earlier. So I'm particularly interested and given the bank has focused a lot on growing mortgages above the average market rate recently, I'm interested in to what extent you're already taking into account the proposals on the sort of the higher mortgage risk weights and your underwriting new mortgages? Or is it something that you'll probably do later on given it's still in...
Ewen Stevenson - CFO & Executive Director
No, no, no. We're absolutely taking it into account and have been for a long period of time.
Christy Hajiloizou - VP
Okay, great. That's the first one. And the second one, just a couple of very quick clarifications on the legacy Tier 1s on the 2 non-steps not being called. Just going back, I think, to Lee's question earlier on rating agency treatment, I'm not -- I'm quite rusty on the rating agency approach myself at the moment. But can you explain how rating agency recognition changes over time? Does it change over time in the same way that the regulatory Tier 1 recognition declines? Does rating agency recognition decline over time in the same sort of way?
Robert Begbie - Member of the Supervisory Board
We'll leave the rating agencies to explain their criteria if we may. I think that a fundamental piece that we're working to is that, of course, more is better both in terms of protection above any creditor line or also alongside that. And so we were delighted with the support that we got recently in terms of our rating changes, and we're very conscious and mindful of the contribution it has to our overall rating.
Christy Hajiloizou - VP
Okay, great. And finally, just a final clarification. I think earlier, you were saying that the -- you're being very conservative in terms of the additional regulatory value, so you're not sort of including it in Tier 2 capital post-2021. Are you including these non-step Tier 1s in your MREL stack at the moment?
Robert Begbie - Member of the Supervisory Board
No.
Operator
(Operator Instructions) Next question comes from [Lexel Gosolov] of Merrill Lynch.
Unidentified Analyst
My question is again on the 2 securities, which have not been called. Clearly, GBP 370 million is a very big cost to call them. Let's say the exchange rate stays where it is now. Does it mean that you're hardly motivated to call these 2 bonds ever, given their FX translation costs associated, I mean, even after the end of the grandfathering period?
Ewen Stevenson - CFO & Executive Director
Yes. I mean, despite the fact that the exchange rate will favor it, it's no. But look, as I said, it's part of an overall hedge program we have. So it's not -- we use that number to just give the number -- if we took them now, that's the number we would have to generate. Clearly, that number will move around in terms of the movements in cable over a period of time. But there are other items on the balance sheet that are part of the overall hedging program. So it's not the fact that we're waiting for cable to move back up and then doing something differently. It was just to reflect the fact that we had have called them versus the amount we would have to have taken at that point in time.
Unidentified Analyst
And so even if cable stays where it is, there is a chance for your securities to be called?
Ewen Stevenson - CFO & Executive Director
Well, as I said, the FX is simply one lens we look through. I mean, the main way we look to this is really the transitional costs of the Tier 1 securities. So -- but at the time that, that -- we'll continue to monitor that on an ongoing basis. Clearly, the next call is 10 years, but we've taken a view that they'll offer transitional Tier 1. So again, we'll just continue to monitor that going forward.
Unidentified Analyst
And is -- the next call's in 10 years, but at the same time, there is a potential for regulatory call when the capital treatment is completely discontinued. Does that mean they can be called before 2027 when the regulatory call is allowed?
Ewen Stevenson - CFO & Executive Director
Yes. I mean, that's a reasonable assumption around that, yes.
Operator
And I'll now hand the call back to you for closing comments.
Ewen Stevenson - CFO & Executive Director
Okay. Well, thanks all, for joining the call this afternoon or this morning, depending on where you are. As you can hear from our sort of tonality, we're very pleased with these results. Just to recap, our best 6-month bottom line profit since first half of 2014, core bank is doing very well with very good operating leverage coming through, as evidenced by the 29% improvement in operating profit. We've gone through a lot of legacy issues so far this year, both from litigation, Williams & Glyn, capital resolution and even really the DOJ remaining. So overall, very happy with the results and -- but obviously, given the uncertainty that exists out macroeconomically, we're trying to be appropriately cautious as we look out ahead of us. So thanks.
Robert Begbie - Member of the Supervisory Board
Yes. Thank you all.
Operator
Ladies and gentlemen, that will conclude this afternoon's call. Thank you for your participation. You may now disconnect.