Pillar III Disclosures June 2017

Pillar III Disclosures June 2017

Contents 1. Introduction...1 2. Scope of Application...2 3. Capital Structure and Adequacy...3 Figure 1: List of Companies and Business Types within the SCB Financial Group... 2 Figure 2: Capital Adequacy Ratio and CET1 / Tier 1 Ratio (Standardized Approach)... 3 Figure 3: Basel III Capital Structure as of June 30, 2017... 4 Table 1: Comprehensive Regulatory Capital and Capital Adequacy... 5 Table 2: Capital Requirements by Risk Type... 6 Table 3: Main Features of Regulatory Capital Instruments... 7 Table 4: Reconciliation of Capital from Consolidated Financial Statements... 8 Table 5: Capital Position During Transitional Period...11

1. Introduction Since January 1, 2013, Siam Commercial Bank PCL (SCB) and its Financial Group have adopted Basel III, the latest global regulatory framework for assessing bank capital adequacy and liquidity, to further strengthen its risk measurement and risk management practice. The Bank s implementation of Basel III closely follows guidelines by the Basel Committee on Banking Supervision as well as strictly complies with the Bank of Thailand (BOT) s regulations. In response to the BOT s adoption of Basel III guidelines including the Capital Conservation Buffer of up to 2.5% of Common Equity Tier1 (CET1), which is being phased in over a 4-year period at 0.625% p.a. from January 2016, the Bank has planned to cope up with the requirements through its long-term capital management plan. At the beginning of 2017, all Thai commercial banks are required to maintain a step-up Capital Adequacy Ratio (CAR) of minimum Common Equity Tier1 (CET 1), Tier 1, and Total CAR at 5.75%, 7.25%, and 9.75%, respectively The current Basel Capital Accord comprises three pillars, each of which is essential for promoting the stability of financial institutions: Pillar I provides guidelines on minimum capital requirements for credit risk, market risk and operational risk. Pillar II addresses the key principles of supervisory review processes and relevant internal risk assessment beyond Pillar I, with an emphasis on the bank's internal capital adequacy assessment process (ICAAP). Pillar III aims to reinforce market discipline through guidelines for public disclosure of key information on capital adequacy and risk exposure as well as risk assessment and management. This document presents information on capital adequacy and risk-weighted asset calculations for credit risk, market risk in the trading book, and operational risk per the BOT s guidelines for both SCB (referred to as Bank-only ) and its Financial Group (referred to as Consolidated ). The BOT requires Pillar III disclosure to be reported based on data as of June 30 and December 31 and made available to market participants within four months after the report dates. The report is published on the Bank s website under the Investor Relations section at http://www.scb.co.th/en/about-scb/investorrelations/financial-information/pillar. Although this disclosure is not required to be audited by external auditors, the Bank has an internal verification and approval process to ensure that the contents are consistent with the Bank s Pillar III disclosure policy. Moreover, the Bank ensures that this report is based on the same information used internally by management and what was submitted to the BOT. Note that quantitative disclosure in this report follows Pillar III principles under the Basel III framework adopted by the BOT, rather than the convention of Thai Accounting Standards. Therefore, Pillar III disclosure is not directly comparable with SCB s Financial Statements. For example, this disclosure includes undrawn portions of committed line as part of credit risk assets computation whereas Thai Accounting Standards do not require such consideration. Page 1 / 11

2. Scope of Application Standardized Approach SCB and its Financial Group have adopted the Standardized Approach (SA), which is in line with the BOT s guidelines for measuring credit risk, market risk, and operational risk, as a computational framework for regulatory capital requirements. Accounting Consolidation The consolidated financial statements present consolidated information on the assets and liabilities of SCB and all its subsidiaries. The accounting justification for consolidating financial statements in accordance with the Thai Accounting Standards can be found in the financial statements of June 2017. Regulatory Consolidation Regulatory consolidation consists of solo consolidation, which considers only financial entities for which SCB holds more than 75% of the company shares, and full consolidation (referred to as Consolidated ), which includes all entities within the Financial Group. In this context, entities engaging in the insurance business or other financial operations are excluded from the regulatory consolidation provided, in the latter case, that SCB has more than 10% but less than 50% of shareholding. Under Basel III, investment in these two types of entities is considered investment outside the scope of consolidation and shall be calculated in accordance with the BOT s guidelines. Quantitative information in this document is presented in both a Bank-only basis and Consolidated basis. Figure 1: List of Companies and Business Types within the SCB Financial Group Full Consolidation Group Solo Consolidation Group SIAM COMMERCIAL BANK PCL Credit institutions with shareholding from 75% Finance companies with shareholding from 50% Support companies with shareholding from 50% Life insurance company with shareholding from 20% RUTCHAYOTHIN ASSETS MANAGEMENT 100% SCB ASSET MANAGEMENT 100% SCB TRAINING CENTRE 100% SCB LIFE ASSURANCE PCL 9 % CAMBODIAN COMMERCIAL BANK 100% SCB SECURITIES 100% SCB PLUS 100% DIGITAL VENTURES 100% MAHISORN 100% SCB PROTECT 100% The treatment of investment outside the scope of consolidation, i.e. insurance companies, is determined by the proportion of issued common share capital held by the Bank with 10% being the threshold level: - The Bank s investment does not exceed 10%. If the aggregate holding exceeds 10% of the Bank s net common equity Tier 1 capital (CET1), then the amount above 10% is required to be deducted from the corresponding tier of capital. The portion under 10% is assigned a risk weight according to the BOT s guidelines. - The Bank owns significant investments (more than 10% of the issued common share capital of the entity or a threshold approach). If the aggregate holding exceeds 10% of the Bank s net common equity, then the amount above 10% is required to be deducted from the corresponding tier of capital. If there is a shortfall, the remaining amount will be deducted from the next higher tier of capital, whereas the amount under the 10% of net CET1 will be assigned a risk weight of 250%. Page 2 /11

3. Capital Structure and Adequacy Regulatory capital under Basel III is based on a more stringent definition of capital as well as a higher requirement for minimum capital ratios. The components of Basel III regulatory capital are as follows: (1) Common Equity Tier 1 Capital (CET1) represents the highest quality component of capital that allows banks to enter into financial commitments without any restriction, which includes: Fully paid-up common shares Premium on common shares Appropriated retained earnings Legal reserves Other comprehensive income, i.e., revaluation surplus on land and premises, and revaluation surplus on AFS investment Note: Minimum regulatory requirement for common equity Tier 1 capital including the capital buffer is currently 5.75% of total risk-weighted assets. (2) Additional Tier 1 Capital consists of high quality capital, which includes: Fully paid-up non-cumulative preferred shares Premium on the above mentioned preferred shares Perpetual subordinated debt Note: Minimum regulatory requirement for the combined CET1 and additional Tier 1 capital including the capital buffer is currently 7.25% of total risk-weighted assets. (3) Tier 2 Capital consists of less-permanent capital, which includes: Long-term subordinated liabilities General provisions (eligibility limited to 1.25% of credit risk-weighted assets) Note: Minimum regulatory requirement of capital adequacy ratio including the capital buffer is currently 9.75% of total riskweighted assets. The instruments, which do not comply with Basel III qualifications regarding loss absorption at the point of nonviability, have to be phased-out at 10% p.a. commencing from 1 January 2013. Figure 2: Capital Adequacy Ratio and CET1 / Tier 1 Ratio (Standardized Approach) Total CAR Tier 2 Bank-Only 16.79% 17.44% 2.12% 2.96% Consolidated 17.38% 17.73% 2.09% 3.26% CET Tier 1 14.67% 14.48% 15.30% 14.83% Jun 17 Dec 16 Jun 17 Dec 16 Note: In compliance with the BOT guidelines, the ratios as of June 30, 2017 did not include net profit after the interim dividend payment for 1H2017; otherwise, the capital ratio would have been 15.5% and 17.6% for CETTier 1 and CAR respectively on a Bank-Only basis and 16.1% and 18.2% on a Consolidated basis. Page 3 / 11

Continued strong capital base Common Equity Tier 1 Capital Bank-Only (CET1) is considered the highest quality of Consolidated capital. For SCB, CET1 represents the major component, accounting for approximately 88% of Consolidated total capital as of June 30, 2017 (87% for Bank-only). CET1 capital has grown significantly and continuously in recent years on the strength of the Bank s retained earnings. This high level of capital underscores the soundness of the Bank s capital position and ensures the Bank s ability to absorb losses in the event of an economic downturn or other adverse circumstances. Figure 3: Basel III Capital Structure as of June 30, 2017 Bank-Only Consolidated Tier 2 41,334 (13%) Tier 2 42,046 (12%) Total 327,602 Total 350,143 CETTier 1 286,268 (87%) CETTier 1 308,097 (88%) Page 4 /11

Table 1: Comprehensive Regulatory Capital and Capital Adequacy Bank-only Consolidated 30 Jun 17 31 Dec 16 30 Jun 17 31 Dec 16 Tier 1 capital 286,268 280,108 308,097 294,566 Common Equity Tier 1 (CET1) 286,268 280,108 308,097 294,566 Paid-up capital - common shares 33,992 33,992 33,992 33,992 Surplus (deficit) net worth 11,124 11,124 11,124 11,124 Legal reserve 7,000 7,000 7,000 7,000 Net profit after appropriation 226,032 218,192 249,589 236,110 Disclosed reserves Other comprehensive income 16,467 16,672 18,323 16,709 Others owner changes items - - (2,364) (2,364) Regulatory deduction to CET1 capital (8,347) (6,872) (9,567) (8,005) Additional Tier 1 - - - - Tier 2 capital 41,334 57,165 42,046 57,752 Proceeds from issuing subordinated debt securities 20,000 36,000 20,000 36,000 General provision 21,334 21,165 22,046 21,752 Total Regulatory Capital 327,602 337,273 350,143 352,318 Risk-weighted assets Credit risk 1,706,743 1,693,215 1,763,698 1,740,156 Market risk 45,658 43,214 45,906 43,321 Operational risk 198,714 197,419 204,653 203,450 Total Risk-Weighted Assets 1,951,115 1,933,848 2,014,257 1,986,927 Total capital/ Total risk-weighted assets 16.79% 17.44% 17.38% 17.73% Total Tier 1 capital/ Total risk-weighted assets 14.67% 14.48% 15.30% 14.83% Total CET1 capital/ Total risk-weighted assets 14.67% 14.48% 15.30% 14.83% Capital after deducting capital add-on from Single Lending Limit 326,705 336,083 349,439 351,110 CAR after deducting capital add-on from Single Lending Limit 16.74% 17.38% 17.35% 17.67% Minimum regulatory capital adequacy ratios: Minimum total capital/ Total risk-weighted assets 8.50% 8.50% 8.50% 8.50% Minimum Tier 1 capital/ Total risk-weighted assets 6.00% 6.00% 6.00% 6.00% Minimum CET1 capital/ Total risk-weighted assets 4.50% 4.50% 4.50% 4.50% Capital conservation buffer requirements 1.25% 0.625% 1.25% 0.625% Total minimum CAR including capital conservation buffer 9.75% 9.125% 9.75% 9.125% Note: In compliance with the BOT guidelines, the ratios as at June 30, 2017 did not include net profit after dividend payment for 1H2017. If included, the capital ratios would have stood at 15.5% and 17.6% for CETTier 1 and CAR respectively on a Bank-only basis and 16.1% and 18.2% on a Consolidated basis. Capital conservation buffer requires additional CET1 of 0.625% per annum from January 1, 2016 onwards until reaching 2.50% in 2019. Page 5 /11

Table 2: Capital Requirements by Risk Type Risk Types Bank-only Consolidated 30 June 17 31 Dec 16 30 June 17 31 Dec 16 Credit risk - Standardized Approach Performing Governments, Central Banks, MDBs and PSEs 2/ treated as Sovereign 628 441 842 664 Banks and PSEs 2/ treated as banks 2,367 3,139 2,421 3,222 Corporates 3/ and PSEs 2/ treated as corporates 86,232 84,113 86,527 84,399 Retail 29,280 29,732 29,319 29,786 Retail mortgage loans 15,769 15,604 15,769 15,604 Other assets 4/ 8,229 8,294 12,434 11,604 Non-performing 2,569 2,600 2,602 2,634 First-to-default credit derivatives and securitization - - - - Minimum capital requirements for credit risk 145,073 143,923 149,914 147,913 Market risk - Standardized Approach Interest rate risk 3,330 3,108 3,333 3,110 Equity position risk - - 18 7 Foreign exchange risk 551 565 551 565 Commodity risk - - - - Minimum capital requirements for market risk 3,881 3,673 3,902 3,682 Operational risk - Standardized Approach Minimum capital requirements for operational risk 16,891 16,781 17,395 17,293 Total minimum capital requirements 5/ 165,845 164,377 171,212 168,888 Multilateral development banks 2/ Public sector entities 3/ Including claims on individuals and their related parties when aggregated limits exceed conditions of claims on retail 4/ Other assets under Basel III include investment outside the scope of consolidation which carries a 250% risk-weight. 5/ The minimum capital requirements are calculated based on the minimum regulatory capital adequacy ratio at 8.5%. If capital conservation buffer of 1.25% for 2017 had been included, total capital requirements at end of June 2017 would have been Baht 190,234 million on a Bank-only basis and Baht 196,390 million on a Consolidated basis. Page 6 / 11

Table 3: Main Features of Regulatory Capital Instruments Ordinary share Subordinated debt 2/2012 Issuer Siam Commercial Bank PCL Siam Commercial Bank PCL Unique identifier ISIN Code: TH0015010000 ISIN Code: TH0015034901 Regulatory treatment Instrument type Common Equity Tier 1 capital Tier 2 capital Qualified or non-qualified Basel III Qualified Non-qualified Non-qualified Basel III features - No Basel III loss absorption Phased-out or full amount Full amount Phased-out (at 10% p.a.) Eligible at Solo / Group / Group & Solo Group & Solo Group & Solo Amount recognized in regulatory capital (Unit: Baht million) 33,992 20,000 Par value of instrument (Unit: Baht) 10 1,000 Accounting classification Shareholder's equity Amortized debt Original date of issuance Multiple September 17, 2012 Perpetual or dated Perpetual Dated Original maturity date No maturity September 17, 2024 Issuer's authority to call prior to supervisory approval Optional call date, contingent call date and redemption amount Subsequent call dates, if applicable Coupons / dividends No N/A N/A No September 17, 2019 / Full redemption amount At any coupon payment dates, 7 years after original issue Fixed or floating dividend / coupon Discretionary dividend amount Fixed rate Coupon rate and any related index The ordinary shares receive distributable profit that has been declared as dividend. 4.65% p.a. Existence of a dividend stopper No No Fully discretionary, partially discretionary or mandatory Existence of step up or other incentive to redeem Fully discretionary No Mandatory No Non-cumulative or cumulative Non-cumulative Non-cumulative Convertible or non-convertible Non-convertible Non-convertible Write-down feature No No Position in subordination hierarchy in liquidation (specify instrument type immediately senior to instrument) The ordinary shares shall receive the return of capital in a winding-up, allowing the holders the rights to participate in any surplus profit or assets of the company after all senior obligations have been paid off. The subordinated notes rank pari passu with all subordinated debt (Basel II) issued by the issuer. The preferential rights of the Bank s preferred shares (Baht 38 million as at 30 June 2017) was already expired on May 10, 2009. Since then, preferred shares entitle holders the same rights as holders of ordinary shares. Page 7 /11

Table 4: Reconciliation of Capital from Consolidated Financial Statements Capital related items as of June 2017 Balance sheet as per the published financial statements Balance sheet under the regulatory scope of consolidation 2/ References Assets Cash 35,604 35,591 - Interbank and money market items, net 361,810 352,405 - Claim on securities - - - Derivative assets 43,796 44,007 - Investments, net 571,933 327,969 - Investments in subsidiaries and associates, net - 35,652 - Investments exclude embedded goodwill and regulatory capital deduction 30,710 - Embedded goodwill 3,805 L Investment in shares and warrants of CET1 capital of financial institutes or financial groups 1,136 O Loans to customers and accrued interest receivables, net Loans to customers 1,994,868 1,986,881 - Accrued interest receivables 3,598 3,016 - Total loans to customers and accrued interest receivables 1,998,466 1,989,897 - Less Deferred revenue (24,460) (24,460) - Less Allowance for doubtful accounts (77,300) (77,300) - General provision (22,046) Q Specific provision (55,254) - Less Revaluation allowance for debt restructuring (4,363) (4,363) - Total loans to customers and accrued interest receivables, net 1,892,342 1,883,774 - Customers' liabilities under acceptances 45 45 - Properties for sale, net 11,309 11,309 - Premises and equipment, net 40,929 40,825 - Goodwill and other intangible assets, net 14,664 5,464 - Goodwill 10,135 1,270 M Other intangible assets 4,528 4,194 - Phase-in at 20% p.a. during a transitional period of 2014 2018 3,355 N Remaining portion 839 - Deferred tax assets 77 77 - Other assets, net 30,070 26,586 - Total assets 3,002,578 2,763,701 - Liabilities Deposits 2,057,364 2,057,483 - Interbank and money market items 150,832 152,984 - Liabilities payable on demand 15,860 15,860 - Liabilities to deliver securities 119 119 - Financial liabilities designated at fair value - - - Derivative liabilities 41,510 41,535 - Debt issued and borrowings 98,162 98,850 - Debt instruments that are qualified as capital 20,000 P Debt instruments that are non-qualified as capital 78,850 - Bank's liabilities under acceptances 45 45 - Provisions 7,695 7,578 - Deferred tax liabilities 2,875 2,642 - Other liabilities 281,146 43,921 - Total liabilities 2,655,607 2,421,016 - Page 8 / 11

Table 4 (cont.) Capital related items as of June 2017 Balance sheet as per the published financial statements Balance sheet under the regulatory scope of consolidation 2/ References Owner's Equity Share capital Issued and paid-up share capital Preferred shares 38 38 A Common shares 33,954 33,954 B Premium on share capital Premium on preferred shares 15 15 C Premium on common shares 11,109 11,109 D Disclosed reserves Surplus on revaluation of land and premises 16,467 16,467 - Qualified as capital 14,879 G 3/ Non-qualified as capital 1,588 - Surplus (deficit) on remeasuring available-for-sale investments 3,627 3,627 - Qualified as capital 3,520 H 3/ Non-qualified as capital 107 - Others Foreign currency translation differences (242) (242) - Balance sheet per the published financial statements means audited financial statements on a consolidated basis as reported to the Stock Exchange of Thailand. Phase-in at 20% p.a. during a transitional period of 2014-2018 (194) I Remaining portion (48) - Other owner changes items (2,364) (2,364) K Surplus (deficit) from value of cash flow hedge reserve 118 118 J Retained earning Appropriated retained earning Legal reserve 7,000 7,000 E Unappropriated retained earning 276,994 272,963 Net profit after appropriation to capital 249,589 F 4/ Net profit unappropriated to capital 23,374 - Total shareholders' equity 346,716 342,685 - Non-controlling interest 256 - - Total owner's equity 346,971 342,685 - Total liabilities and owner's equity 2/ Balance sheet under the regulatory scope of consolidation means financial statements on a consolidated basis under the BOT s regulation which excludes subsidiaries operating in the insurance business or other financial industry entities whose shares are held by the Bank in a ratio of 10-50% of issued and paid-up shares. 3/ Surplus on assets revaluation can be counted as capital subject to the BOT approval. 4/ Net profit after appropriation from resolution of the shareholder s meeting. 3,002,578 2,763,701 - Page 9 / 11

Table 4 (cont.) Component of regulatory capital as of June 2017 Regulatory capital reported by financial group References based on balance sheet under the consolidated supervision Tier 1 capital CET1 capital Paid-up common shares after deducting treasury shares 33,992 A + B Surplus (deficit) net worth 11,124 C + D Legal reserve 7,000 E Net profit after appropriation 249,589 F Disclosed reserves Revaluation surplus on land and building appraisal Revaluation surplus (deficit) of equity and debt securities for sales Gain (loss) from converting foreign currency operation to the Bank 14,879 G 3,520 H (194) I Gain (loss) from fair valued cash flow hedge reserve 118 J Other owner changes items (2,364) K Total CET1 capital before regulatory adjustments and deduction 317,664 - Regulatory adjustments on CET1 - - Regulatory deductions on CET1 Goodwill 5,075 L + M Other intangible assets 3,355 N Deferred tax assets - - Investment in shares and warrants of CET1 capital of other financial institutes or financial groups 1,136 O Total regulatory deduction on CET1 9,567 - Total CET1 capital 308,097 - Additional Tier 1 capital Total Additional Tier 1 - - Total Tier 1 capital 308,097 - Tier 2 capital Proceeds from issuing subordinated debt securiities 20,000 P General provision 22,046 Q Total Tier 2 capital before regulatory adjustments and deduction 42,046 - Regulatory adjustment and deduction on Tier 2 capital - - Total Tier 2 capital 42,046 - Total regulatory capital 350,143 - Page 10 / 11

Table 5: Capital Position During Transitional Period Bank-only Consolidated Capital amount as of June 2017 Net value of items with transitional phase subject to Basel III Capital amount as of June 2017 Net value of items with transitional phase subject to Basel III Tier 1 capital CET1 capital CET1 capital before regulatory adjustments and deduction 294,615 36 317,664 59 Regulatory adjustments on CET1 - - Regulatory deduction on CET1 (8,347) (818) 2/ (9,567) (839) 2/ Total CET1 capital 286,268 308,097 Additional Tier 1 capital Additional Tier 1 capital before regulatory adjustments and deduction - - Regulatory adjustments and deduction on additional Tier 1 - - Total additional Tier 1 capital - - Total Tier 1 capital 286,268 308,097 Tier 2 capital Tier 2 capital before regulatory adjustments and deduction 41,334 (20,000) 3/ 42,046 (20,000) 3/ Regulatory adjustments and deduction on Tier 2 - - Total Tier 2 capital 41,334 42,046 Total regulatory capital 327,602 350,143 Revaluation surplus of debt securities for sales and foreign currency translation differences, phase-in at 20% p.a. during a transitional period of 2014-2018. 2/ Other intangible assets e.g. software licenses, phase out at 20% p.a. during a transitional period of 2014-2018. 3/ Non-Basel III compliant capital instruments will be phased out at 10% p.a. starting from January 1, 2013. Page 11 / 11