The former Arsenal captain finally graced the Nou Camp after a first season plagued by hamstring problems.
"I only ask the fans to be patient," said the defender.
"I understand the criticism I've received, but it has been a very difficult season for me. I am convinced that next season will be much better.
"I had a good feeling and I really enjoyed playing football again.
"I am very ambitious and I am sure we will end up achieving more success this season."
"I am delighted," said Masip.
"I am aware of where I am. I've played very little but I feel privileged."