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## PSO 

<img src='content_image/1050800.jpg'>

(a) Weleetka Unit 6 was retired in March 2019. 

(b) Jointly-owned with AEP Texas and nonaffiliated entities. Figures presented reflect only the portion owned by PSO. 

(c) In September 2018, management announced plans to close the plant by October 2020. 

## SWEPCo 

<img src='content_image/1050799.jpg'>

(a) Jointly-owned with nonaffiliated entities. Figures presented reflect only the portion owned by SWEPCo. The Arkansas jurisdictional portion of SWEPCo’s interest in Turk Plant is not in rate base. 

(b) In January 2020, management announced plans to close the plant at the end of 2026. 

(c) Knox Lee Unit 4 was retired in January 2019. Figures presented include Unit 4 in the total. 

(d) Knox Lee Unit 2 and Unit 3, Lieberman Unit 2 and Lone Star are scheduled for retirement in May 2020. 

