Obsidian Energy Ltd.: Obsidian Energy Announces First Quarter 2021 Results and Successful First Half Development Program Robust initial well results with first five wells on-stream; completion activity commenced on remaining four wells Free cash flow generation results in lower net debt Calgary, Alberta--(Newsfile Corp. - May 7, 2021) - OBSIDIAN ENERGY LTD. (TSX: OBE) (OTCQX: OBELF) (" Obsidian Three Months Ended March 31 2021 Cash flow from operations (1) The terms funds flow from operations (" FFO") and their applicable per share amounts, "net debt", "netback" and "net operating expenses" are non-GAAP measures. Please refer to the "Non-GAAP Measures" advisory section below for further details. (2) Please refer to the "Oil and Gas Information Advisory" section below for information regarding the term "boe".