ence in Securities to Supplemental Indentures 134 ARTICLE IX REDEMPTION Section 9.1. Optional Redemption; Election to Redeem 135 Section 9.2. Notice of Optional Redemption; Cancellation 137 Section 9.3. Notes Payable on Redemption Date 138 Section 9.4. Special Redemption 139 ARTICLE X ACCOUNTS, ACCOUNTINGS, RE