11.4%. If the rating of the Debentures is downgraded, the coupon rate will be increased by 0.50% for each notch of downgrade. If the rating of the Debentures is upgraded, the coupon rate will be decreased by 0.50% for each notch of upgrade until it is restored. If the rating of the Issuer is downgraded from BBB+, the coupon rate will be increased by 0.50% for each notch of downgrade. If the rating of the Issuer is upgraded, the coupon rate will be decreased by 0.50% for each notch of upgrade until it is restored to BBB+.