Egyptian archaeologists who found the temple say it was built by Queen Berenike II, wife of Greek King Ptolemy III, who ruled Egypt from 246 to 221 B.C.
Cats were important house pets in ancient Egypt and were often depicted in private tombs. In some cases, cats were mummified in the same way as humans and buried at temples.
The statue pictured is made of limestone. Link
(image credit: Egyptian Supreme Council of Antiquities)