SoftBank Results Presentation Deck

Definition and Calculation Method of SBG's NAV and LTV (as of Sep 30, 2023) 1. NAV (Net Asset Value) 2. Equity value of holdings (after adjustment for asset-backed financing) Alibaba: the number of Alibaba ADSS equivalent to the number of shares held by SBG x Alibaba ADS price - the sum of the outstanding maturity settlement amounts (calculated by using the company's share price) of the prepaid forward contracts (floor contracts, collar contracts, forward contracts, and call spread) using Alibaba shares. SoftBank Corp.: the number of shares held by SBG x SoftBank Corp. share price - the equivalent amount of outstanding liabilities for margin loans, etc. using SoftBank Corp. shares. SVF1: SBG's share of SVF1's NAV + accrued performance fees, etc. SVF2: SBG's share of SVF2's NAV, etc. ● NAV = Equity value of holdings - Net debt LatAm Funds: SBG's share of LatAm Funds' NAV + accrued performance fees. T-Mobile: (a) + (b) - (c) - (d) a) The number of T-Mobile shares held by SBG, including the number of shares subject to call options held by Deutsche Telekom x T-Mobile share price. b) Fair value of SBG's right to acquire the company's shares for no consideration under certain conditions (Contingent consideration). c) The amount of derivative financial liabilities related to unexercised call options held by Deutsche Telekom. d) Maturity settlement amount of the prepaid forward contracts (collar contracts) using T-Mobile shares (calculated by using the company's share price). Deutsche Telekom: the number of Deutsche Telekom shares held by SBG x Deutsche Telekom share price - the maturity settlement amount of a collar transaction using Deutsche Telekom shares. I Arm: the number of shares held by SBG X Arm share price - payable amount of the consideration for Arm shares acquired from SVF1 through an intra-group transaction - the equivalent amount of outstanding liabilities for margin loans using Arm shares. Others: (e) + (f) + (g) e) Listed shares: the number of shares held by SBG multiplied by the share price of each share. f) Unlisted shares: calculated based on the fair value (or the carrying amount in SBG's balance sheet for those not measured at fair value) of unlisted shares, etc. held by SBG. g) SB Northstar: SBG's share of SB Northstar's NAV plus the fair value of NVIDIA Corporation shares. Cash and cash equivalents and interest-bearing debt, other than margin loans and prime brokerage loans, are treated as a part of net interest-bearing debt of SBG therefore not included in the calculation of SB Northstar's NAV. 3. Net debt (after adjustment for asset-backed financing) Net debt SBG net interest-bearing debt SBG net interest-bearing debt = Consolidated net interest-bearing debt - Net interest-bearing debt at self-financing entities, etc. - Other adjustments Consolidated net interest-bearing debt: excludes bank deposits and cash position at PayPay Bank Corporation Net interest-bearing debt at self-financing entities, etc.: the sum of gross interest-bearing debt less the sum of cash positions of self-financing entities, such as SoftBank Corp. (including its subsidiaries such as Z Holdings Corporation (currently LY Corporation) and PayPay Corporation), SVF1, SVF2, LatAm Funds, and Arm, as well as SB Northstar. • Note: Cash and cash equivalents and interest-bearing debt, other than margin loans and prime brokerage loans of SB Northstar are included in net interest-bearing debt of SBG. Other adjustments: the sum of adjustments of (h) to (n) below h) Among the hybrid bonds and hybrid loans with a redemption date, the entire amount is recorded as interest-bearing debt in consolidated accounting. Therefore, 50% is deducted from the interest-bearing debt (to be treated as equity). Applicable to 4th JPY-denominated hybrid bonds, 5th JPY-denominated hybrid bonds, 6th JPY-denominated hybrid bonds. i) Among the hybrid bonds, the perpetual bonds without a redemption date are recorded in their entirety as equity in consolidated accounting. Therefore, 50% is included in the interest-bearing debt. Applicable to USD-denominated NC10 undated hybrid notes. Deduction of the financial liabilities related to prepaid forward contracts (floor contracts, collar contracts, and forward contracts) using Alibaba shares. j) k) Deduction of the equivalent amount of outstanding liabilities for margin loans using SoftBank Corp. shares. 1) Deduction of the financial liabilities related to prepaid forward contracts (collar contracts) using T-Mobile shares. m) Deduction of the financial liabilities recorded as borrowings related to collar transactions using Deutsche Telekom shares. n) Deduction of the amount equivalent to the outstanding balance of the borrowings made through margin loans using Arm shares. 4. LTV (Loan to Value) LTV Net debt / Equity value of holdings 5. Other assumptions Share prices: Closing price as of Sep 29, 2023 FX rate: USD 1= JPY 149.58 SBG = SoftBank Group Corp., Alibaba = Alibaba Group Holding Limited, SVF1 = SoftBank Vision Fund 1, SVF2 = SoftBank Vision Fund 2, LatAm Funds = SoftBank Latin America Funds, T-Mobile = T-Mobile US, Inc., Deutsche Telekom = Deutsche Telekom AG, Arm Arm Holdings plc Before considering tax unless otherwise stated The information herein is based on assumptions made by the Company and is not indicative of the price of SBG's common shares or any securities held by the Company and should not form the basis of any investment decisions. 71

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