BLACK HILLS CORP /SD/

for a description of our principal business properties. In addition to the properties disclosed in the Item 1 , we own or lease several facilities throughout our service territories including a corporate headquarters building and various office, service center, storage, shop, and warehouse space. Substantially all of the tangible utility properties of South Dakota Electric and Wyoming Electric are subject to liens securing first mortgage bonds issued by South Dakota Electric and Wyoming Electric, respectively. ITEM 3. LEGAL PROCEEDINGS Information regarding our legal proceedings is incorporated herein by reference to the Legal Proceedings sub-caption within Item 8, Note 3 , Commitments, Contingencies and Guarantees , of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K. ITEM 4. MINE SAFETY DISCLOSURES Information concerning mine safety violations or other regulatory matters required by Sections 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act is included in Exhibit 95 of this Annual Report. 39 Table of Contents INFORMATION ABOUT OUR EXECUTIVE OFFICERS Linden R. Evans, age 63, has been President and Chief Executive Officer since 2019. He served as - President and Chief Operating Officer from 2016 to 2018, and President and Chief Operating Officer - Utilities from 2004 to 2015. Mr. Evans served as the Vice President and General Manager of our former communication subsidiary in 2003 and 2004, and Associate Counsel from 2001 to 2003. Mr. Evans has 24 years of experience with the Company. As previously disclosed, Mr.