EGHT 8x8 inc NASDAQ Telecommunications Equipment ADTN adtran holdings, inc. NASDAQ Telecommunications Equipment AKTS akoustis technologies, inc. AMEX Telecommunications Equipment AQN algonquin power & utilities corp. common shares NYSE Electric Utilities: Central ALE allete, inc. NYSE Power Generation LNT alliant energy corporation NYSE Power Generation AEE ameren corporation NYSE Power Generation AMX america movil, s.a.b. de c.v. american depositary shares (each representing the right to receive twenty (20) series b shares NYSE Telecommunications Equipment AEP american electric power company, inc. NYSE Electric Utilities: Central AWR american states water company NYSE Water Supply AWK american water works company, inc. NYSE Water Supply AM antero midstream corporation NYSE Natural Gas Distribution AROC archrock, inc. NYSE Natural Gas Distribution ARTNA artesian resources corporation - class a non-voting NASDAQ Water Supply T at&t inc. NYSE Telecommunications Equipment ATO atmos energy corporation NYSE Oil/Gas Transmission ATNI atn international, inc. NASDAQ Telecommunications Equipment AUDC audiocodes ltd. - ordinary shares NASDAQ Telecommunications Equipment AWX avalon holdings corporation AMEX Environmental Services AGR avangrid, inc. NYSE Electric Utilities: Central AVA avista corporation NYSE Power Generation BCE bce, inc. NYSE Telecommunications Equipment BKH black hills corporation NYSE Electric Utilities: Central BEP brookfield renewable partners l.p. limited partnership units NYSE Electric Utilities: Central CDZI cadiz, inc. NASDAQ Water Supply CWT california water service group NYSE Water Supply CWST casella waste systems, inc. - class a NASDAQ Environmental Services CEL cellcom israel NYSE Telecommunications Equipment CNP centerpoint energy, inc (holding co) NYSE Electric Utilities: Central EBR centrais electricas brasileiras s a american depositary shares (each representing one common share) NYSE Electric Utilities: Central CQP cheniere energy partners, lp common units AMEX Oil/Gas Transmission LNG cheniere energy, inc. AMEX Oil/Gas Transmission CPK chesapeake utilities corporation NYSE Oil & Gas Production CHT chunghwa telecom co., ltd. NYSE Telecommunications Equipment CIEN ciena corporation NASDAQ Telecommunications Equipment CLNE clean energy fuels corp. NASDAQ Natural Gas Distribution CLFD clearfield, inc. NASDAQ Telecommunications Equipment CLRO clearone, inc. NASDAQ Telecommunications Equipment CMS cms energy corporation NYSE Power Generation CIG comp en de mn cemig ads american depositary shares NYSE Electric Utilities: Central SBS companhia de saneamento basico do estado de sao paulo - sabesp american depositary shares (each repstg 250 common shares) NYSE Water Supply ELP companhia paranaense de energia (copel) american depositary shares (each representing one unit consisting one common share and four non-voting class b preferred shares) NYSE Electric Utilities: Central CNSL consolidated communications holdings, inc. NASDAQ Telecommunications Equipment ED consolidated edison, inc. NYSE Power Generation CWCO consolidated water co. ltd. - ordinary shares NASDAQ Water Supply SRE dba sempra NYSE Natural Gas Distribution DM desktop metal, inc. class a NYSE Natural Gas Distribution D dominion energy, inc. NYSE Electric Utilities: Central DTE dte energy company NYSE Electric Utilities: Central DUK duke energy corporation (holding company) NYSE Power Generation