The Sicilian side were also deducted 12 points this season and fined 150,000 euros ($167,415.00), the FIGC said, while club president Antonio Pulvirenti was banned for five years and fined 300,000 euros.
Catania finished 15th in Serie B last season, two points above the relegation places, after a run of five wins in a row in March and April.
The matches under investigation were the wins against Avellino, Varese, Trapani, Latina and Ternana and the draw against Livorno during that period, the FIGC said.
Pulvirenti and six others were arrested last month on suspicion of fixing matches.
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Pulvirenti, who also owns dozens of supermarkets and an airline, was accused of sporting fraud and match-fixing. Police said at the time that the typical payoff to rival players to throw a match was 10,000 euros.
Catania had been relegated from Serie A in 2013/14 after eight seasons in the top flight
($1 = 0.8960 euros).
(Writing by Brian Homewood in Zurich; editing by Clare Lovell)
