The present invention pertains to an 
epoxy-functional organopolysiloxane resin, and an 
epoxy-functional organopolysiloxane 
coating composition comprising the 
epoxy-functional organopolysiloxane resin. The epoxy-functional organopolysiloxane resin which contains repeating units having the formulae:whereinE is an epoxy-functional C1-18 
hydrocarbon group containing one or more 
oxygen atoms, provided that no 
oxygen atom is directly bonded to a Si- atom; andR1 and R2 are independently a C1-20 
hydrocarbon, optionally interspersed with a 
heteroatom linking group,a is an integer of 0, 1, or 2, preferably 0 or 1;b is an integer of 0, 1, 2 or 3, preferably 0, 1, or 2;c is an integer of 0, 1, 2 or 3, preferably 0, 1, or 2; andin M units, a+b+c=3,in D units, a+b+c=2,in T units, a+b+c=1,with the proviso that the molecule, on average, contain at least two E components.