1996
Calvalley Petroleum Inc. is first incorporated (public listed company on Toronto Stock Exchange)
1997
Production Sharing Agreement (PSA) signed with the government of Yemen: from exploration to development
2000
Calvalley Petroleum Cyprus Ltd. (“Calvalley”) established; together with Hood Oil, Calvalley is assigned operational rights in Block 9, Yemen, by the government of Yemen, with a 50% share in the PSA
2005
Calvalley‘s commercial production initiated
2006
Stable production established
2012
Medco (Indonesia) purchases a 25% interest in Block 9, Yemen; Calvalley maintains 50%
2015
Calvalley Inc. delists with high levels of working capital, maintaining ownership of Calvalley Cyprus Ltd.
Force majeure declared in Yemen
2016
Yung Holding acquires Calvalley Cyprus Ltd. which maintains its operational rights in Block 9, Yemen. Through this acquisition, Calvalley acquires fresh expertise and investment for an exciting phase of expansion and development towards reaching its full potential.
2018
Calvalley starts preparing to resume production in Block 9
Calvalley establishes management office in Cairo
2019
Production successfully restarted in Block 9 (July)