X0306 4 2022-11-28 0001266585 NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND NMZ 0001277392 TOTH TERENCE J 1 Trustee Common Stock 2022-11-28 4 P 0 1355.0000 10.9699 A 3193.0000 D Common Stock 2022-11-28 4 P 0 1015.0000 10.9700 A 4208.0000 D tothpoa.txt Mark L. Winget/ Signed Under POA 2022-11-28