Operator
Good morning, and welcome to the Franklin Street Properties Corp First Quarter 2021 Earnings Conference Call. [Operator Instructions] Please note this event is being recorded.
I would now like to turn the conference over to Scott Carter, General Counsel. Please go ahead.
Scott H. Carter
Good morning, and welcome to the Franklin Street Properties first quarter 2021 earnings call.
Joining me this morning are George Carter, our Chief Executive Officer; John Demeritt, our Chief Financial Officer; Jeff Carter, our President and Chief Investment Officer; and John Donahue, President of FSP Property Management. Also joining me this morning are Toby Daley and Will Friend, both Executive Vice Presidents of FSP Property Management.
Franklin Street Properties Corp. ("FSP", "its", "our" or "we") (NYSE American: FSP), a real estate investment trust (REIT), announced today that it entered into a lease amendment with existing tenant CITGO Petroleum Corporation at its Eldridge Green property in Houston, Texas. The amendment extends the primary term of CITGO’s approximately 250,000 square foot headquarters lease by approximately 11 years, from February 28, 2022 to March 31, 2033.
Operator
Good day and welcome to the Franklin Street Properties Corp. Q4 2020 and Year-End Earnings Call. [Operator Instructions]
I would now like to turn the conference over to Scott Carter, General Counsel. Please go ahead.
Scott H. Carter
Executive Vice President, General Counsel and Secretary
Good morning and welcome to the Franklin Street Properties fourth quarter and full-year 2020 earnings call.
Joining me this morning are George Carter, our Chief Executive Officer; John Demeritt, our Chief Financial Officer; Jeff Carter, our President and Chief Investment Officer; and John Donahue, President of FSP Property Management. Also joining me this morning are Toby Daley and Will Friend, both Executive Vice Presidents of FSP Property Management.