Form 4 Filing by Bank of Nova Scotia

This filing details a disposition of 277,182 common shares by Bank of Nova Scotia, a 10% owner and director-by-deputization of KEYCORP /NEW/. The transaction occurred on June 16, 2026, with shares sold at a price of $22.13 per share. This disposition was made pursuant to the Investment Agreement between Bank of Nova Scotia and KEYCORP /NEW/, which allows for pro rata participation in issuer repurchases under certain circumstances. Following this transaction, Bank of Nova Scotia holds 158,091,354 shares. The filing is made under Section 16 of the Securities Exchange Act of 1934.