Profit rose to E£19.6m (US$38.6m) from E£192.3m in the first half of 2009.
This implies a second-quarter profit of E£104m, down from E£115.4m in the first quarter.
Misr Cement Qena agreed on Monday to buy a stake in a new cement company and in May formed a joint venture with ASEC Cement, a unit of private-equity firm Citadel Capital, to make ready-mix concrete.