And here's the Senate Ways and Means email list:

brown_li@leg.wa.gov
fairley_da@leg.wa.gov
constant_do@leg.wa.gov
rossi_di@leg.wa.gov
fraser_ka@leg.wa.gov
hewitt_mi@leg.wa.gov
honeyfor_ji@leg.wa.gov
kline_ad@leg.wa.gov
kohl_je@leg.wa.gov
long_je@leg.wa.gov
parlette_li@leg.wa.gov
rasmusse_ma@leg.wa.gov
regala_de@leg.wa.gov
roach_pa@leg.wa.gov
sheahan_la@leg.wa.gov
sheldon_be@leg.wa.gov
thibaude_pa@leg.wa.gov
winsley_sh@leg.wa.gov
zarelli_jo@leg.wa.gov