ECHELON CORP

CUSIP: 27874N105 Class: CMN

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

Note: Option positions (PUT/CALL) are excluded.

Q4 2013
Shares 128,920 Value ($000) $277 Avg Close — Range —
Q3 2013
Shares 128,920 Value ($000) $308 Avg Close — Range —