HOUSTON, Feb. 22, 2022 (GLOBE NEWSWIRE) -- Archrock, Inc. (NYSE: AROC) ("Archrock") today reported results for the fourth quarter and full year 2021 and provided 2022 financial guidance. Fourth Quarter and Full Year 2021 Highlights Management Commentary and Outlook "As the market continues to strengthen and execution by team Archrock remains excellent, we delivered a sequential increase in our contract operations revenue as well as our highest quarterly levels of operating horsepower growth and bookings for the year during the fourth quarter. We closed out 2021 generating positive net income and record annual free cash flow at the bottom of the cycle," said Brad Childers, Archrock's President and Chief Executive Officer. "More broadly, throughout this downturn, we've demonstrated the stability and cash generating power of our business, repaying $314 million in debt and returning $178 million to shareholders since the end of 2019.