The phrase "adding that the parties" is correct and usable in written English.
It can be used when you want to include additional information or clarification regarding the parties involved in a discussion or agreement.
Example: "The lawyer provided the details of the contract, adding that the parties had agreed to the terms outlined."
Alternatives: "noting that the parties" or "stating that the parties".
"It was an atrocity for us," Mr. Molinari said, adding that the parties will include a concert and fireworks.
"We think we'll have one more shot at it," said Billy Hunter, the executive director of the players union, adding that the parties would know then "whether there's a chance to make a deal or whether there isn't".
Mark McCafferty, the chief executive of Premiership Rugby, described it as a "historic day for European club rugby", adding that the parties involved "had worked hard to get to this point and the uncertainty is now over".
"We want Hong Kong plus," said one senior Liberal Democrat, adding that the party would press for the publication of more than just five top salaries.
The state's Democratic Party has also received complaints, Ms. Carroll said, adding that the party has directed people with complaints to contact their local district attorneys.
Miliband described the result as very difficult and disappointing, adding that the party in Scotland had been overwhelmed by a surge of nationalism.
"Liberals are not going to save the Republican Party," he said, adding that the party should not abandon its principles "just because they've lost a couple of elections".
A Labour spokesman said Miliband went to film an interview on Monday night, adding that the party was looking forward to it being broadcast.
Riek Machar, the vice chairman of the opposition party, the Sudan People's Liberation Movement, cited continued conflict in Darfur and electoral irregularities, adding that the party would also boycott all levels of elections in Darfur.
That has to change," said the MP for East Renfrewshire, adding that the party's problem was not its lack of ideals but a failure to convey any real sense of its relevance to people's lives.
"The A.N.C. has become a gravy train," said Moeletsi Mbeki, deputy chairman of the South African Institute of International Affairs, adding that the party was attracting people who want to get rich, not better the nation.
