X0306 4 2021-07-20 1 0001855747 Blend Labs, Inc. BLND 0001810133 Ossa Investments Pte. Ltd. 60B ORCHARD ROAD, #06-18 TOWER 2 THE ATRIUM@ORCHARD U0 238891 SINGAPORE 0 0 1 0 0001810114 Hotham Investments Pte. Ltd. 60B ORCHARD ROAD, #06-18 TOWER 2 THE ATRIUM@ORCHARD U0 238891 SINGAPORE 0 0 1 0 0001379348 Fullerton Management Pte Ltd 60B ORCHARD ROAD, #06-18 TOWER 2 THE ATRIUM@ORCHARD U0 238891 SINGAPORE 0 0 1 0 0001021944 Temasek Holdings (Private) Ltd 60B ORCHARD ROAD, #06-18 TOWER 2 THE ATRIUM@ORCHARD U0 238891 SINGAPORE 0 0 1 0 Class A common stock 2021-07-20 4 C 0 11875773 A 11875773 D Series E convertible preferred stock 2021-07-20 4 C 0 10949867 D Class B common stock 10949867 0 D Series F convertible preferred stock 2021-07-20 4 C 0 925906 D Class B common stock 925906 0 D Class B common stock 2021-07-20 4 C 0 11875773 A Class A common stock 11875773 11875773 D Class B common stock 2021-07-20 4 C 0 11875773 D Class A common stock 11875773 0 D Immediately prior to the completion of the Issuer's initial public offering of Class A common stock, each share of Class A common stock as then named was reclassified into one share of Class B common stock and each share of Class B common stock as then named was reclassified into one share of Class A common stock. This Form 4 assumes all shares had been renamed as if such reclassification had already occurred. Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date. The securities reported herein are held of record by Ossa Investments Pte. Ltd. ("Ossa Investments"), which is a direct wholly-owned subsidiary of Hotham Investments Pte. Ltd. ("Hotham"). Hotham is a direct wholly-owned subsidiary of Fullerton Management Pte Ltd ("FMPL"), which in turn is a direct wholly-owned subsidiary of Temasek Holdings (Private) Limited ("Temasek Holdings"). Hotham, FMPL and Temasek Holdings may therefore be deemed to have or share beneficial ownership of the securities held by Ossa Investments. Ossa Investments Pte. Ltd., By: /s/ Han Sack Teng, Director 2021-07-22 Hotham Investments Pte. Ltd., By: /s/ Han Sack Teng, Director 2021-07-22 Fullerton Management Pte Ltd, By: /s/ Gregory Tan, Director 2021-07-22 Temasek Holdings (Private) Limited, By: /s/ Jason Norman Lee, Authorized Signatory 2021-07-22