Exhibit 99.4 ECHELON CORPORATION DIRECTOR OPTION AGREEMENT Echelon Corporation, a Delaware corporation (the "Company"), has granted to Francesco Tato (the "Optionee"), an option to purchase a total of 25,000 shares of the Company's Common Stock (the...Director Option Agreement • September 21st, 2000 • Enel Societa Per Azioni • Electric services • California
AGREEMENTVoting Agreement • September 21st, 2000 • Enel Societa Per Azioni • Electric services • California
RECITALS --------Registration Rights Agreement • September 21st, 2000 • Enel Societa Per Azioni • Electric services • California
