Order 99 was an order arranged by Jedi Master CaptainR1. It turned the storm troopers back to side of the new Republic. During the clone wars, clone commando "Roger" refused Order 66. He was very close to the Jedi he was fighting with.

Why is 99 called 99 Star Wars?

99 was a malformed clone of the Mandalorian bounty hunter Jango Fett who served the cloning facilities and performed janitorial duties at Tipoca City on the planet Kamino during the Clone Wars. He died during the Battle of Kamino in 21 BBY.

What was Order 69?

Order 69 was one of many orders in a series of contingency orders which the clone troopers of the Grand Army of the Republic were programmed with. This order demanded that all attractive female Jedi were not to be executed, but instead captured and married to the most successful trooper in the capturing unit.