Tenneco, Inc.

Tsakos Energy Navigation Limited operates in the worldwide maritime transportation of liquid energy-related products. The company owns and operates a diversified fleet of tankers spanning multiple vessel classes including VLCCs, suezmax, aframax, panamax, handysize, MR tankers, DP2 suezmax shuttle tankers, and LNG carriers. As of June 30, 2026, TEN operated a fleet of 64 vessels with an average age of 10.5 years, and had 20 vessels under construction (including ten DP2 shuttle tankers, three VLCCs, five LR1 tankers, and two LNG carriers) with $2.2 billion in remaining yard installments. The company employs a mixed charter strategy encompassing time charter-fixed rate contracts, time charter with profit-sharing arrangements, voyage charters on the spot market, bareboat charters, and pool arrangements. TEN has $1.5 billion in contracted minimum future charter revenues. The company is managed by Tsakos Energy Management Limited under a long-term management agreement, with technical management provided by Tsakos Shipping and Trading S.A. and select third-party managers. TEN maintains a portfolio of held-to-maturity debt securities valued at $106.4 million and uses interest rate swaps and bunker/EUA commodity swaps to manage financial risks. The company owns 51% of Mare Success S.A., which holds four vessels chartered in partnership with Flopec Petrolera Ecuatoriana. TEN has Series E (9.25%) and Series F (9.50%) preferred shares outstanding alongside its common shares listed on the NYSE. Updated Sep 17, 2026