0001140361-21-015089 S-8 4 20210430 20210430 20210430 NuStar Energy L.P. 0001110805 4610 742956831 DE 1231 S-8 33 333-255637 21874715 19003 IH-10 WEST SAN ANTONIO TX 78257 (210) 918-2000 19003 IH-10 WEST SAN ANTONIO TX 78257 VALERO L P 20020110 SHAMROCK LOGISTICS LP 20000331 S-8 1 nt10023109x1_s8.htm FORM S-8 EX-5.1 2 nt10023109x1_ex5-1.htm EXHIBIT 5.1 EX-23.1 3 nt10023109x1_ex23-1.htm GRAPHIC 4 nt10023109x1_ex5-1img01.jpg