Middlefield Sustainable Infrastructure Dividend ETF announced that distributions of $0.04167 per trust unit for the second quarter of 2023 will be payable to unitholders of record date of April 30, 2023, May 31, 2023 and June 30, 2023; payable dates are May 15, 2023, June 15, 2023 and July 14, 2023, respectively.