WGL HOLDINGS INC 10-K/A

10-K/A

EXHIBIT 23

EXHIBIT 31.1

EXHIBIT 31.3

EXHIBIT 31.4

EXHIBIT 32.2

XBRL INSTANCE DOCUMENT

XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT

XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT

XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT

XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT

XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT

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