X0306 4/A 2016-04-29 2016-05-03 0 0000904896 N-VIRO INTERNATIONAL CORP NVIC 0001479195 Burton-Prateley Michael Peter 25 NAYSMITH ST. LONDON X0 W6 0HA UNITED KINGDOM 1 0 0 0 Common Stock, par value $0.01 6862 D Stock option (right to purchase) 0.78 2016-04-29 4 A 0 2000 0 A 2016-10-29 2026-04-29 Common Stock, $0.01 par value 2000 64500 D Stock option (right to purchase) 0.77 2016-04-29 4 A 0 2000 0 A 2016-10-29 2026-04-29 Common Stock, $0.01 par value 2000 66500 D grant of 2,000 options at apr 29 2016 for committee meeting attended on jan 11 2016, the pricing date, priced at 10 day prior trading day average closing price. grant of 2,000 options at apr 29 2016 for committee meeting attended on feb 24 2016, the pricing date, priced at 10 day prior trading day average closing price. /s/ Michael P. Burton-Prateley 2016-05-03