#1 This transaction was executed in multiple trades at prices ranging from $ 396.44 to $396.90. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

#2 Includes 3 shares acquired through dividend reinvestment plan.

#1 Shares withheld for payment of tax liability upon vesting of a portion of the restricted stock award granted on June 14, 2023. This withholding was approved by the Personnel & Compensation Committee of Delta's Board of Directors and is exempt from Section 16(b) of the Securities Exchange Act of 1934 under Rules 16b-3(d)(1) and 16b-3(e).