Through our transfer agent, Computershare Trust Company, N.A., ONEOK shareholders can access information about their account online or by telephone toll-free at 1-866-235-0232 (within the U.S. and Canada) or 1-781-574-4709 (outside the U.S. and Canada).

For assistance with most questions related to ONEOK stock ownership, contact our transfer agent Computershare Trust Company, N.A., online or by telephone toll-free at 1-866-235-0232 (within the U.S. and Canada) or 1-781-574-4709 (outside the U.S. and Canada).