Malano has been playing for the Citizens for the past two years. Saleh and Piciollo joined the club last summer while Pena Beltre and Alba joined the Citizens in January.
Argentine central defender Juan Cruz Gill, Brazilian right back Romeu Pericles Romao, Italian midfielder Claudio Pani, Nigerian striker Uchenna Calistus Umeh and Estonian forward Albert Prosa will all be released.