CONSTITUCIÓN DE LA REPÚBLICA DEL ECUADOR

The Funds may use one or more Subadvisers who are responsible for the day-to-day management of the Funds’ investments, subject to the oversight of the Adviser. Subadvisers are paid out of the fees paid to the Adviser.

Wellington Management Company LLP (Wellington Management or the Subadviser) is each Fund’s Subadviser. Wellington Management is a Delaware limited liability partnership with principal offices at 280 Congress Street, Boston, Massachusetts 02210. Wellington Management is a professional investment counseling firm which provides investment services to investment companies, employee benefit plans, endowments, foundations, and other institutions. Wellington Management and its predecessor organizations have provided investment advisory services for over 80 years. Wellington

Management provides investment submanagement services to each of the Funds pursuant to Submanagement Agreements with Domini. As of July 31, 2015, Wellington Management had investment management authority with respect to approximately $944 billion in assets.

Wellington Management uses a team of portfolio managers and analysts to manage the Funds. Donald S. Tunnell is primarily responsible for the

day-to-day management of theDomini Social Equity Fund. David J. Elliott is

primarily responsible for the day-to-day management of theDomini

International Social Equity Fund.They are assisted by other members of Wellington Management’s quantitative management group. Campe Goodman

is primarily responsible for the day-to-day management of theDomini Social

Bond Fund. He is assisted by other members of Wellington Management’s US broad market team.

Donald S. Tunnell, senior managing director, co-director of the

quantitative investments group, and director of quantitative research of Wellington Management, joined Wellington Management as an investment professional in 2001 and has been a member of the quantitative management group supporting the Domini Funds since 2005. He has served on the portfolio management team responsible for theDomini Social Equity Fundsince May 2009.

David J. Elliott, CFA, FRM, managing director, co-director of the quantitative investments group, and director of quantitative portfolio management of Wellington Management, has been a member of the quantitative management group supporting the Domini Funds since 2005, and has served on the portfolio management team responsible for theDomini International Social Equity Fundsince May 2009. Mr. Elliott joined Wellington Management in 1995 and has been an investment professional since 1999.

Campe Goodman , CFA, senior managing director, and fixed-income portfolio manager on the US broad market team of Wellington Management, has served as a portfolio manager responsible for the

Domini Social Bond Fundsince January 7, 2015. Mr. Goodman joined Wellington Management in 2000.

The Statement of Additional Information contains additional information about the compensation of the Wellington Management investment professionals, other accounts managed by them, and their ownership of the securities of the applicable Fund.

Domini Social Equity Fund.For the services Domini and Wellington

Management provide to the Domini Social Equity Fund, they receive

aggregate fees at the following rates: 0.30% of the first $2 billion of net assets managed, 0.29% of the next $1 billion, and 0.28% of net assets managed in excess of $3 billion. Under the Sponsorship Agreement between Domini and the Domini Social Equity Fund for administrative services provided to the Fund, Domini’s fee is 0.45% of the first $2 billion of net assets managed, 0.44% of the next $1 billion, and 0.43% of net assets managed in excess of $3 billion.

During the fiscal year ended July 31, 2015, the Fund paid a total of 0.75% of its average daily net assets for investment advisory, subadvisory and

administrative services, after waivers. A discussion regarding the basis of the Board of Trustees’ approval of the Continuation of Domini Social Equity Fund’s Management and Submanagement Agreements with Domini and Wellington Management, respectively, is available in the Domini Social Equity Fund’s Annual Report to shareholders for the fiscal year ended July 31, 2015.

Domini International Social Equity Fund.For the services Domini and

Wellington Management provide to the Fund they receive aggregate fees at the following rates: 1.00% of the first $250 million of net assets managed, 0.94% of the next $250 million, and 0.88% of net assets managed in excess of $500 million.

During the fiscal year ended July 31, 2015, the Fund paid a total of 0.98% of its average daily net assets, after waivers, for investment advisory and

subadvisory services. A discussion regarding the basis of the Board of Trustees’ approval of the continuance of the Funds’Management and Submanagement Agreements with Domini and Wellington Management, respectively, is available in the Domini International Social Equity Fund’s Annual Report to shareholders for the fiscal year ended July 31, 2015.

Domini Social Bond Fund.For the services Domini and Wellington

Management provide to the Domini Social Bond Fund they receive aggregate fees at the following rates: 0.40% of the first $500 million of net assets managed, 0.38% of the next $500 million of net assets managed, and 0.35% of net assets managed in excess of $1 billion. Under the Administrative Services Agreement between Domini and the Domini Social Bond Fund, Domini’s fee is 0.25% of the average daily net assets of the Bond Fund. During the fiscal year ended July 31, 2015, the Fund paid a total of 0.65% or its average daily net assets, after waivers, for investment advisory,

subadvisory, and administrative services. A discussion regarding the basis of the Board of Trustees’ approval of the Submanagement Agreement with Domini and Wellington Management is available in the Domini Social Bond Fund’s Semi-Annual Report to shareholders for the period ended