A developing cartridge for use with an electro-photographic type image forming apparatus, the cartridge comprising: a developing roller; a casing configured to accommodate therein developing agent; a storage medium including an electric contact surface; a holder (52; 52A; 52B; 52C) movable along with the electric contact surface in a first direction crossing the electric contact surface, the holder (52; 52A; 52B; 52C) being movable between a first position and a second position relative to the casing in the first direction; and a pressure member (53; 53A; 53B; 53C; 53D) configured to press the holder (52; 52A; 52B; 52C) while the pressure member (53; 53A; 53B; 53C; 53D) moves in a second direction crossing the first direction, in a case where the holder (52; 52A; 52B; 52C) moves between the first position and the second position, wherein a distance in the first direction between the electric contact surface and the pressure member in a case where the holder (52; 52A; 52B; 52C) is positioned at the first position is greater than a distance in the first direction between the electric contact surface and the pressure member (53; 53A; 53B; 53C; 53D) in a case where the holder (52; 52A; 52B; 52C) is positioned at the second position, characterized by a holder casing (45; 45A; 45B; 45C; 45D) configured to hold the holder (52; 52A; 52B; 52C); and an urging member (54; 54A; 54C; 56D, 57D) configured to urge the pressure member (53; 53A; 53B; 53C; 53D), the urging member (54; 54A; 54C; 56D, 57D) having a first state and a second state in the second direction, the urging member (54; 54A; 54C; 56D, 57D) having one end in the second direction, and having another end in the second direction, the one end being attached to the holder casing (45; 45A; 45B; 45C; 45D), the another end being attached to the pressure member (53; 53A; 53B; 53C; 53D), wherein a distance between the one end and the another end in the first state is greater than a distance between the one end and the another end in the second state, wherein the holder (52; 52A; 52B; 52C) is at the first position in a case where the urging member (54; 54A; 54C; 56D, 57D) is at the first state, and wherein the holder (52; 52A; 52B; 52C) is at the second position in a case where the urging member (54; 54A; 54C; 56D, 57D) is at the second state. a developing roller; a casing configured to accommodate therein developing agent; a storage medium including an electric contact surface; a holder (52; 52A; 52B; 52C) movable along with the electric contact surface in a first direction crossing the electric contact surface, the holder (52; 52A; 52B; 52C) being movable between a first position and a second position relative to the casing in the first direction; and a pressure member (53; 53A; 53B; 53C; 53D) configured to press the holder (52; 52A; 52B; 52C) while the pressure member (53; 53A; 53B; 53C; 53D) moves in a second direction crossing the first direction, in a case where the holder (52; 52A; 52B; 52C) moves between the first position and the second position, wherein a distance in the first direction between the electric contact surface and the pressure member in a case where the holder (52; 52A; 52B; 52C) is positioned at the first position is greater than a distance in the first direction between the electric contact surface and the pressure member (53; 53A; 53B; 53C; 53D) in a case where the holder (52; 52A; 52B; 52C) is positioned at the second position, characterized by a holder casing (45; 45A; 45B; 45C; 45D) configured to hold the holder (52; 52A; 52B; 52C); and an urging member (54; 54A; 54C; 56D, 57D) configured to urge the pressure member (53; 53A; 53B; 53C; 53D), the urging member (54; 54A; 54C; 56D, 57D) having a first state and a second state in the second direction, the urging member (54; 54A; 54C; 56D, 57D) having one end in the second direction, and having another end in the second direction, the one end being attached to the holder casing (45; 45A; 45B; 45C; 45D), the another end being attached to the pressure member (53; 53A; 53B; 53C; 53D), wherein a distance between the one end and the another end in the first state is greater than a distance between the one end and the another end in the second state, wherein the holder (52; 52A; 52B; 52C) is at the first position in a case where the urging member (54; 54A; 54C; 56D, 57D) is at the first state, and wherein the holder (52; 52A; 52B; 52C) is at the second position in a case where the urging member (54; 54A; 54C; 56D, 57D) is at the second state.