Matador Resources Co. extended the expiration of its offer to exchange up to $1.05 billion of 5.875% senior notes due 2026 for a similar amount of newly registered notes with the same terms.

The offer, previously set to expire at 5 p.m. ET on Dec. 17, was moved to run until 5 p.m. ET on Dec. 19 unless further extended. The outstanding notes were privately placed Aug. 21 and Oct. 4.

Matador is an oil and natural gas exploration and production company, with operations mainly focused on the Wolfcamp and Bone Spring plays in the Delaware Basin in southeast New Mexico and West Texas.