Blend Labs, Inc.

Except as described below, during the three months ended June 30, 2025, none of our officers or directors, as defined in Rule 16a-1(f) of the Exchange Act, adopted, modified, orterminated any contract, instruction, or written plan for the purchase or sale of our securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) (a “Rule 10b5-1 trading arrangement”) or any “non Rule 10b5-1 trading arrangement,” as defined in Regulation S-K Item 408.

On June 13, 2025, Mr. Ghamsari entered into a Rule 10b5-1 trading arrangement that provides for the sale from time to time of shares of our Class A Common Stock, intended to generate an aggregate of approximately a maximum dollar amount of $4,000,000, with the exact number of shares to be sold pursuant to Mr. Ghamsari’s trading arrangement to be determined based on market prices of our Class A Common Stock. The plan will expire on March 31, 2026, subject to early termination for certain specified events as set forth in the plan. The plan is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).