JOINT FILING AGREEMENT

Exhibit 12

Pursuant to Rule 13d-1(k)(1) of Regulation 13D-G of the General Rules and Regulations under the Securities and Exchange Act of 1934, the undersigned agree that the statement to which this Exhibit is attached is filed on behalf of each of the undersigned.

Date: October 6, 2017

/s/ Xxxxxx X. Xxxxxx, Xx.

Name: Xxxxxx X. Xxxxxx, Xx., on behalf of himself, and as::

Attorney-in-Fact for Xxxxx X. X. Xxxxxx*

Attorney-in-Fact for Victoire X. Xxxxxx*

Attorney-in-Fact for Xxxxx X. Xxxxxx*

Attorney-in-Fact for Xxxxx X. Xxxxxx Xxxxxxxx*

Attorney-in-Fact for Xxxxxx X. Xxxxxx*

Attorney-in-Fact for Xxxxxxx X. Xxxxxx*

Attorney-in-Fact for Xxxxx X. Xxxxxx*

Attorney-in-Fact for Claiborne X. Xxxxxx*

Attorney-in-Fact for Xxxxx X. Xxxxxx*

Attorney-in-Fact for Xxxxx X. Xxxxxxxx*

Attorney-in-Fact for Claiborne X. Xxxxxx, Xx.*

Attorney-in-Fact for Xxxxx X. Xxxxxx*

Attorney-in-Fact for Xxxxxx X. Xxxxx*

Attorney-in-Fact for Xxxxx Xxxxxx*

Attorney-in-Fact for Xxxxxxxx X. Xxxxxx*

Attorney-in-Fact for Xxxxxxxx X. Xxxxxxxx*

Attorney-in-Fact for Xxxxx X. Xxxxxx*

Attorney-in-Fact for Xxxxxxxx X. Xxxxxx*

Attorney-in-Fact for Xxxxxxx X. Xxxxxx*

Attorney-in-Fact for Xxxxx X. Xxxxxx*

Attorney-in-Fact for Xxxxxx Management, Inc.*

Attorney-in-Fact for Xxxxxx Associates I, L.P.*

Attorney-in-Fact for The Trust created under the Agreement, dated December 28, 1976, between National City Bank, as trustee, and Xxxxx X.X. Xxxxxx, for the benefit of grandchildren*

Attorney-in-Fact for The Trust created under the Agreement, dated July 20, 2000, as supplemented, amended and restated, between Xxxxxx X. Xxxxxx, Xx., as trustee, and Xxxxx X. Xxxxxx, for the benefit of Xxxxx X. Xxxxxx*

Attorney-in-Fact for The Trust created under the Agreement, dated September 28, 2000, as supplemented, amended and restated, between Xxxxxx X. Xxxxxx, Xx., as trustee, and Xxxxxx X. Xxxxxx, Xx., for the benefit of Xxxxxx X. Xxxxxx, Xx.*

Attorney-in-Fact for The Trust created under the Agreement, dated September 28, 2000, as supplemented, amended and restated, between Victoire X. Xxxxxx, as trustee, and Victoire X. Xxxxxx, for the benefit of Victoire X. Xxxxxx*

Attorney-in-Fact for The Trust created under the Agreement, dated December 29, 1967, as supplemented, amended and restated, between Xxxxxx X. Xxxxxx, as trustee, and Xxxxxx X. Xxxxxx, creating a trust for the benefit of Xxxxxx X. Xxxxxx*

Attorney-in-Fact for The Trust created under the Agreement, dated June 22, 1971, as supplemented, amended and restated, between Claiborne X. Xxxxxx, as trustee, and Claiborne X. Xxxxxx, creating a trust for the benefit of Claiborne X. Xxxxxx*

Attorney-in-Fact for The Trust created under the Agreement, dated September 11, 1973, as supplemented, amended and restated, between Xxxxx X. Xxxxxx, as trustee, and Xxxxx X. Xxxxxx, creating a trust for the benefit of Xxxxx X. Xxxxxx*

Attorney-in-Fact for The Trust created under the Agreement, dated September 28, 2000, between Xxxxxx X. Xxxxxx, Xx., as trustee, and Xxxxx X. Xxxxxx, for the benefit of Xxxxx X. Xxxxxx*

Attorney-in-Fact for The Trust created under the Agreement, dated October 15, 1975, between National City Bank, as trustee, and Xxxxxxxx X. Xxxxxx, for the benefit of Xxxxxxxx X. Xxxxxx*

Attorney-in-Fact for The Trust created under the Agreement, dated December 30, 1977, as supplemented, amended and restated, between National City Bank, as trustee, and Xxxxxxx X. Xxxxxx for the benefit of Xxxxxxx X. Xxxxxx*

Attorney-in-Fact for The Trust created under the Agreement, dated December 29, 1989, as supplemented, amended and restated, between Xxxxx X. (Xxxxxx) Xxxxxxxx, as trustee, and Xxxxx X. (Xxxxxx) Xxxxxxxx for the benefit of Xxxxx X. (Xxxxxx) Xxxxxxxx*

Attorney-in-Fact for The Trust created under the Agreement, dated December 29, 1989, as supplemented, amended and restated, between Xxxxx X. (Xxxxxx) Xxxxxx, as trustee, and Xxxxx X. (Xxxxxx) Xxxxxx for the benefit of Xxxxx X. (Xxxxxx) Xxxxxx*

Attorney-in-Fact for Xxxxxx Xxxxxx*

Attorney-in-Fact for Xxxxxx X. Xxxxxx*

Attorney-in-Fact for National City Bank as agent under the Agreement, dated July 16, 1969, with Xxxxxxxx X. Xxxxxx*

Attorney-in-Fact for Xxxxxx X. Xxxxxx, as trustee fbo X. Xxxxxxx Xxxxxx under Irrevocable Trust No. 1, dated December 18, 1997, with Xxxxx Xxxxxx, Grantor*

Attorney-in-Fact for Xxxxxx X. Xxxxxx, as trustee fbo Xxxxxxxxx X. Xxxxxx under Irrevocable Trust No. 1, dated December 18, 1997, with Xxxxx Xxxxxx, Grantor*

Attorney-in-Fact for Xxxxxx Associates II, L.P.*

Attorney-in-Fact for Xxxx X. Xxxxxx, Xx.*

Attorney-in-Fact for Xxxxx Xxxxxx Xxxxxx (by Xxxx X. Xxxxxx, Xx. as custodian)*

Attorney-in-Fact for The Trust created under the Agreement, dated July 24, 1998, as amended, between

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Xxxxx X. Xxxxxx, as trustee, and Xxxxx X. Xxxxxx, for the benefit of Xxxxx X. Xxxxxx*

Attorney-in-Fact for Xxxxx X. Xxxxxxxx*

Attorney-in-Fact for Xxxxxxx X. Xxxxxx (by Xxxx X. Xxxxxx, Xx. as Custodian)*

Attorney-in-Fact for The Claiborne X. Xxxxxx, Xx. Revocable Trust dated August 25, 2000*

Attorney-in-Fact for Xxxxxx X. Xxxxxx as Trustee under Irrevocable Trust No. 2, dated September 11, 2000, for the benefit of X. Xxxxxxx Xxxxxx*

Attorney-in-Fact for Xxxxxx X. Xxxxxx as Trustee under Irrevocable Trust No. 2, dated September 11, 2000, for the benefit of Xxxxxxxxx X. Xxxxxx*

Attorney-in-Fact for Xxxxxx X. Xxxxxx as Trustee of the Xxxxxx X. Xxxxxx Revocable Trust, dated September 11, 2000*

Attorney-in-Fact for The Trust created under the Agreement, dated December 20, 1993 for the benefit of Xxxxxxx X. Xxxxxx*

Attorney-in-Fact for Xxxxx Xxxxxxxx*

Attorney-in-Fact for Xxxxx Xxxxxxx Xxxxxxxx Xxxxxxxx (by Xxxxx Xxxxxx Xxxxxxxx as
Custodian)*

Attorney-in-Fact for Trust created under the Agreement, dated June 1, 1995, between Xxxxx X. Xxxxxx, as Trustee, and Xxxxx X. Xxxxxx, for the benefit of Xxxxx X. Xxxxxx*

Attorney-in-Fact for Trust created by the Agreement, dated June 17, 1999, between Xxxx X. Xxxxxx, Xx., as trustee, and Xxxx X. Xxxxxx, Xx., creating a trust for the benefit of Xxxx X. Xxxxxx, Xx. *

Attorney-in-Fact for Xxxxx Xxxxxx Xxxxxx 2002 Trust, dated November 5, 2002 *

Attorney-in-Fact for Xxxxxxx Xxxxxxx Xxxxxx 2002 Trust, dated November 5, 2002 *

Attorney-in-Fact for Xxxxxxxxx X. Xxxxxx*

Attorney-in-Fact for Xxxxx Xxxxxxx Xxxxxxxx Xxxxxxxx 2004 Trust created by the Agreement, dated December 10, 2004, between Xxxxx X.X. Xxxxxxxx, as trustee, and Xxxxx Xxxxxx Xxxxxxxx, creating a trust for the benefit of Xxxxx Xxxxxxx Xxxxxxxx Xxxxxxxx*

Attorney-in-Fact for Xxxxx Xxxxxxx Xxxxxxxx 2004 Trust created by the Agreement, dated December 10, 2004, between Xxxxx X.X. Xxxxxxxx, as trustee, and Xxxxx Xxxxxx Xxxxxxxx, creating a trust for the benefit of Xxxxx Xxxxxxx Xxxxxxxx*

Attorney-in-Fact for Xxxxx Xxxxxxx Xxxxxxxx (by Xxxxx X.X. Xxxxxxxx as Custodian of Xxxxx Xxxxxxx Xxxxxxxx)*

Attorney-in-Fact for Xxxxx X. Xxxxxx Xxxxxxx*

Attorney-in-Fact for Trust created by the Agreement, dated December 21, 2004 for the benefit of Xxxxx X. Xxxxxx*

Attorney-in-Fact for Xxxxxx Xxxxxx Xxxxxx*

Attorney-in-Fact for Xxxxxx Xxxxxxxxx Xxxxxxxx (by Xxxxx Xxxxxxxx as Custodian under the Ohio Transfers to Minors Act)*

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Attorney-in-Fact for Trust created by the Agreement, dated December 21, 2004, between Xxxxx X. Xxxxxxxx, as trustee, and Claiborne X. Xxxxxx, creating a trust for the benefit of Xxxxxx Xxxxxxxxx Xxxxxxxx*

Attorney-in-Fact for Xxxxxx Associates IV, L.P.*

Attorney-in-Fact for Marital Trust created by the Agreement, dated January 21, 1966, as supplemented, amended and restated, between PNC Bank and Xxxxxxxx Xxxxxx, as Trustees, and Xxxxxx X. Xxxxxx, for the benefit of Xxxxxxxx X. Xxxxxx*

Attorney-in-Fact for Trust created by the Agreement, dated May 10, 2007, between Xxxxxx X. Xxxxxx, as Grantor, and Xxxxxx X. Xxxxxx and Xxxxx X. Xxxxxx, as co-trustees, for the benefit of Xxxx Xxxxxxxx Xxxxxx*

Attorney-in-Fact for Trust created by Agreement, dated May 10, 2007, between Xxxxxx X. Xxxxxx, as trustee, and Xxxxx X. Xxxxxx, creating a trust for the benefit of Xxxxxxx Xxxxxxxxx Xxxxxx*

Attorney-in-Fact for Trust created by the Agreement dated December 21, 2004, between Xxxxx X. Xxxxxxxx, as trustee, and Claiborne X. Xxxxxx, creating a trust for the benefit of Xxxxxxxx Xxxxx Xxxxxxxx*

Attorney-in-Fact for Xxxxx Xxxxxx Xxxxxx*

Attorney-in-Fact for Xxxxx X. Xxxxxxx*

Attorney-in-Fact for 2012 Xxxxx X. Xxxxxx Trust*

Attorney-in-Fact for 2012 Xxxxxx X. Xxxxxx Trust*

Attorney-in-Fact for 2012 Xxxxx X. Xxxxxx Trust*

Attorney-in-Fact for 2012 Xxxxx X. Xxxxxxxx Trust*

Attorney-in-Fact for The Xxxxx X.X. Xxxxxxxx Trust, David B.H. Trustee u/a/d October 14, 2009*

Attorney-in-Fact for Xxxx Xxxxxxxx Xxxxxx (by Xxxxxxx X. Xxxxxx, as Custodian)*

Attorney-in-Fact for Xxxxxxx Xxxxxxxxx Xxxxxx (by Xxxxxxx X. Xxxxxx, as Custodian)*

Attorney-in-Fact for Xxxxxxxx Xxxxxxx Xxxxxx (by Xxxxx X. Xxxxxx, as Custodian)*

Attorney-in-Fact for Trust created by the Agreement, dated April 10, 2009, between Xxxxx X. Xxxxxxxx, as trustee, creating a trust for the benefit of Xxxxx X. Xxxxxxxx*

Attorney-in-Fact for Xxxxxxxx Xxxxxxxx (by Xxxxx X. Xxxxxxxx, as Custodian)*

Attorney-in-Fact for Xxxxxxxxx X. Xxxxxx*

Attorney-in-Fact for X. Xxxxxxx Xxxxxx*

Attorney-in-Fact for Xxxxxx Annuity Trust #1 of Xxxxxxxx X. Xxxxxx dated June 18, 2011*

Attorney-in-Fact for The Xxxxxxxx X. Xxxxxx Trust/Custody dtd December 12, 2001, Xxxxxxxx X.

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Xxxxxx, as Trustee, for the benefit of Xxxxxxxx X. Xxxxxx*

Attorney-in-Fact for Xxxxx X. Xxxxx Trust, dated February 26, 1998, Xxxxxxxx X. Xxxxxxxx, Trustee*

Attorney-in-Fact for Xxxxxxxx X. Xxxxxxxx Trust Agreement dated December 8, 2005, Xxxxxxxx X. Xxxxxxxx as Trustee*

Attorney-in-Fact for Xxxxxx X. Xxxxxx Exempt Family Trust u/a dated January 21, 1966 as amended, Xxxxxxxx Xxxxxx, Trustee*

Attorney-in-Fact for Xxxxxx X. Xxxxxx Exempt Family Trust u/a dated January 21, 1966 amended, per IRC 1015(A) Dual Basis Sub-Account, Xxxxxxxx Xxxxxx, Trustee*

Attorney-in-Fact for Xxxxxx X. Xxxxxx Xx.-Xxxx XXX-Brokerage Account #******

Attorney-in-Fact for Xxxx X. Xxxxxx, Xx.-Xxxx XXX-Brokerage Account #******

Attorney-in-Fact for XxXxx Xxxxxx*

Attorney-in-Fact for BTR 2012 GST for Xxxxx X. Xxxxxx*

Attorney-in-Fact for BTR 2012 GST for Xxxxx X. Xxxxxxxx*

Attorney-in-Fact for BTR 2012 GST for Xxxxx X. Xxxxxx*

Attorney-in-Fact for BTR 2012 GST for Xxxxxxx X. Xxxxxx*

Attorney-in-Fact for BTR 2012 GST for Xxxxxx X. Xxxxxx*

Attorney-in-Fact for BTR 2012 GST for Xxxxx X. Xxxxxxxx*

Attorney-in-Fact for BTR 2012 GST for Claiborne X. Xxxxxx, Xx.*

Attorney-in-Fact for BTR 2012 GST for Xxxxx X. Xxxxxxx*

Attorney-in-Fact for BTR 2012 GST for Xxxx X. Xxxxxx*

Attorney-in-Fact for BTR 2012 GST for Xxxxxxxxx X. Xxxxxx*

Attorney-in-Fact for The Xxxx X. Xxxxxx Trust dated August 15, 2012*

Attorney-in-Fact for Trust created by the Agreement, dated August 20, 2009 between Xxxxx X. Xxxxxx, as Trustee, and Xxxxx X. Xxxxxx, creating a trust for the benefit of Xxxxx X. Xxxxxx*

Attorney-in-Fact for Xxxxxx X.X. Xxxxxx, Trustee of the trust created by agreement, dated February 2, 2011, as supplemented, amended and restated, between Xxxxxx X.X. Xxxxxx, as trustee, and Xxxxxx X.X. Xxxxxx, creating a trust for the benefit of Xxxxxx X.X. Xxxxxx*

Attorney-in-Fact for Claiborne X. Xxxxxx Trust for children of Xxxxx X. Xxxxxxx dated December 27, 2013 under Custody Agreement dated December 27, 2013 fbo Xxxxxx X. Xxxxxxx*

Attorney-in-Fact for 2016 Xxxx X. Xxxxxx Trust*

Attorney-in-Fact for 2016 Xxxxxxxxx X. Xxxxxx Trust*

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Attorney-in-Fact for AMR Associates, LP*

Attorney-in-Fact for Claiborne X. Xxxxxx Trust for Children of Claiborne X. Xxxxxx, Xx. dtd 08/26/2016 FBO Claiborne Read Xxxxxx III*

Attorney-in-Fact for Claiborne X. Xxxxxx Trust for Children of Xxxxx X. Xxxxxxx dtd 12/27/2013 FBO Matilda Xxxx Xxxxxxx*

Attorney-in-Fact for Claiborne Read Xxxxxx III (by Claiborne X. Xxxxxx, Xx., as Custodian)*

Attorney-in-Fact for Matilda Xxxx Xxxxxxx (by Xxxxx X. Xxxxxxx, as Custodian)*

Attorney-in-Fact for Vested Trust for Xxxxx X. Xxxxxx, Xx. U/A/D/ December 4, 2015*

Attorney-in-Fact for Vested Trust for Xxxxxxxx Xxxxxxx Xxxxxx U/A/D/ December 4, 2015*

Attorney-in-Fact for Xxxxxx X. Xxxxxxx (by Xxxxx X. Xxxxxxx, as Custodian)*

Attorney-in-Fact for Xxxxx X. Xxxxxx, Xx. (by Xxxxx X. Xxxxxx, as Custodian)*

Attorney-in-Fact for Xxxxxx Xxxxxx Xxxxxxxx (by Xxxxx X. Xxxxxxxx, as Custodian)*

Attorney-in-Fact for Trust created under the Agreement, dated January 11, 1965, as supplemented, amended, and restated, between PNC Bank, as Co-Trustee, and Xxxxxx X. Xxxxxx, Xx., as Co-Trustee, for the benefit of the grandchildren*

Attorney-in-Fact for Xxxxxx Associates V, L.P.*

Attorney-in-Fact for Xxxxxx Associates VI, L.P.*

*	The power of attorney authorizing the above named individual to act on behalf of each of the foregoing Reporting Persons is included in Exhibit 13

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JOINT FILING AGREEMENT

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