"The band thanks Frank for his friendship, creativity and sturdy presence over the past 19 years," a statement read.
Back on tour in Latin America for the first time in a decade, the alternative rock band will arrive in Mexico in April for the Tecate Pa'l Norte festival.
The set follows the reign of Eternal Blue in 2021.
The drummer revealed the latest album he played drums for in a new interview.
Johns has been vocal about distancing himself from his former band.
“We just wanted to hangout and see what's up," Matheson explained. "This is our band. We are Pig Pen.”
The rocker is gearing up to release his fourth studio album.
The Maine, Authority Zero & Summer Set among bands to headline venue during May celebration.
The guitarist and songwriter looks back on his struggles and successes in Heartbreaker: A Memoir.
The beloved extreme sports legend died last month at age 38.