Complex sentence: KMJY and Pendleton entered the agreement in May 2010 and relaunched its Rhythmic CHR format as "104.5 JAMZ" on June 1,2010.
Split into simpler sentences: KMJY and Pendleton entered the agreement in May 2010. Pendleton relaunched its Rhythmic CHR format as "104.5 JAMZ" on June 1,2010.