The security forces killed 15 terrorists in an intelligence-based operation (IBO) in the Zhob district on Tuesday, ISPR said.
However, during an intense exchange of fire, a 32-year-old Sepoy Arifur Rehman from Mansehra embraced martyrdom while having fought gallantly, the military media wing said.
A large quantity of weapons, ammunition and explosives were also recovered, the ISPR said.
Security forces and the nation stand firm against terrorism.
Meanwhile, President Asif Ali Zardari, Prime Minster Shehbaz Sharif, and Federal Interior Minister Mohsin Naqvi praised the security forces and paid tribute to Sepoy Arifur Rehman.
They prayed the Almighty may rest the departed soul in eternal peace and grant courage to the bereaved to bear this irreparable loss with fortitude. The leaders reiterated their resolve to continue anti-terrorism combat.
The officers and personnel of the security forces are determined to protect the motherland from evils, they maintained, adding that the nation is proud of the dutiful officers and personnel of the security forces.