Feb 27 (Reuters) - NuVista Energy Ltd NVA.TO :
* NUVISTA ENERGY LTD. ANNOUNCES ISSUANCE OF $220 MILLION OF SENIOR UNSECURED NOTES
* NUVISTA ENERGY LTD - ENTERED INTO UNDERWRITING AGREEMENT OF $220 MILLION 6.50% SENIOR UNSECURED NOTES DUE MARCH 2, 2023
* NUVISTA ENERGY LTD - 2023 NOTES WILL BE ISSUED AT PAR