A microcontact printing stamp is formed by curing a silicone rubber composition on a master. An addition reaction cure silicone rubber composition is used comprising (A) an organopolysiloxane containing at least two aliphatic unsaturated monovalent hydrocarbon groups, (B) an organohydrogenpolysiloxane containing at least two SiH groups, (C) an addition reaction catalyst, and (D) a reinforcing resin. The cured composition has a nonfunctional low-molecular-weight siloxane D3-D20 content of up to 200 ppm.