The senatorial ticket of the Liberal Party called as "Koalisyon ng Daang Matuwid" (Coalition for the Straight Path), was unveiled last October 12, 2015 at the LP's headquarters in Cubao, Quezon City led by President Aquino III, and the Roxas and Robredo tandem.

[1] In a resolution passed September 30, 2015, the LP National Directorate, and LP National Executive Council nominated incumbent senators Franklin Drilon, TG Guingona and Ralph Recto, former Department of Justice (DOJ) secretary Leila de Lima and former senator Francis Pangilinan for inclusion.

[3] On October 12, 2015, Interior and Local Government Assistant Secretary for Muslim Affairs and Special Concerns Ina Ambolodto, PhilHealth Board Director Risa Hontiveros, COOP-NATCCO Party List Representative Cresente Paez and Technical Education and Skills Development Authority Director General Joel Villanueva were included in the slate.

[14] On August 7, 2015, Senator Gringo Honasan, former CIBAC congressman and now TESDA chair Joel Villanueva, and seven other former and incumbent lawmakers were charged before the Office of the Ombudsman in connection with the pork barrel scam.

[15] In August 2015, Leila de Lima assisted Isaias Samson, an expelled minister of Iglesia ni Cristo (INC), in filing a case against the sect.

However, controversy surrounding a lewd performance in a political rally in Santa Cruz, Laguna forced him to resign from the party.

[20] On October 12, 2015, the Liberal Party announced its complete senatorial line-up in Quezon City under the Koalisyon ng Daang Matuwid.

[23] On October 29, 2015, Poe and Escudero announced in an event held in Club Filipino, San Juan, the complete senatorial slate for the Partido Galing at Puso coalition.

[24] In an event commemorating Typhoon Haiyan in Tacloban on November 7, 2015, Martin Romualdez, the nephew of Imelda Marcos, declared his support for Jejomar Binay.

[25] On November 14, 2015, in an interview by ABS-CBN News Channel, Karen Davila asked Alma Moreno with questions regarding the Reproductive Health Law.

[26] In November 2015, Princess Jacel Kiram and Malaysian politician Nurul Izzah Anwar posted a photo demanding Malaysian Prime Minister Najib Razak to free opposition leader Anwar Ibrahim which was received negatively in that country, prompting Nurul Izzah to apologize.

[29] On January 26, 2016, the Senate Blue Ribbon subcommittee concluded its hearings on the corruption allegations against Vice President and UNA presidential candidate Jejomar Binay.

[33] On February 15, 2016, UNA senatorial candidate Manny Pacquiao, in a video statement posted by TV5 for its Bilang Pilipino coverage, made a comment on the issue of same-sex marriage.

He described people in these marriages as "mas masahol pa sa hayop" (English Translation: behaving worse than animals.

)[34] Pacquiao later apologized and stated that as a Born Again Christian, he is against same-sex marriage, based on Biblical teachings but he did not condemn gay people.

[39] On February 22, 2016, Richard J. Gordon filed a petition to the Supreme Court to reverse a decision by the Comelec from refraining to print receipts from the voting machines.

[42] Opinion polling, locally known as surveys in the Philippines, is conducted by Social Weather Stations (SWS), Pulse Asia and other pollsters.

[43] The camp of Francis Tolentino, the 13th-placed candidate, citing the alteration by Smartmatic to the script at the commission's "Transparency server", objected to the impending proclamation of the winning senators by securing a restraining order at the Supreme Court, but failed.

Seven candidates from Koalisyon ng Daang Matuwid won, four from Partido Galing at Puso, and one from the United Nationalist Alliance.