Some of the events that Yui has appeared in during the year 2003 are as follows.

2003 03.29	[17:00] Horie Yui Fan Club event vol 2 in Zepp Tokyo
2003 03.30	[16:00] Horie Yui Fan Club event vol 2 in Zepp Tokyo
2003 05.25	[17:30] Yamatonadeshiko Live Tour in Zepp Sendai
2003 06.01	[18:00] Yamato Nadeshiko Live Tour in Osaka
2003 06.08	[17:00] Yamato Nadeshiko Live Tour in Zepp Sapporo
2003 06.15	[17:30] Yamato Nadeshiko Live Tour in Nagoya
2003 06.22	[17:00] Yamato Nadeshiko Tour in Zepp Fukuoka
2003 06.28	[18:30] Yamato Nadeshiko Live Tour in Tokyo Kousei Nenkin Kaikan
2003 06.29	[17:30] Yamato Nadeshiko Live Tour in Tokyo Kousei Nenkin Kaikan
2003 07.13	[18:00] D.C. Da Carpo anime event in Club Complex Code
2003 07.20	Tokyo Character Show 2003 main stage
2003 08.23	[13:30] "sky" campaign event in Nagano
2003 08.30	[13:30] "sky" CD campaign in Yokohama
2003 08.31	[14:30] "sky" CD campaign in Aomori
2003 09.06	[13:30/16:30] "sky" talk event in Koutouku Sougou Kumin Center
2003 09.20	[16:30] "Sky" CD campaign in Kyoto
2003 09.21	[14:30] "Sky" CD campaign in Matsuyama
2003 09.27	[12:00] "Sky" CD campaign in Hiroshima
2003 09.28	[13:30] "Sky" CD campaign in Ogura
2003 10.05	[13:30/16:30] "Sky" campaign event inn Asaka Shimin Kaikan
2003 10.26	[14:00] Starchild Dream in Kobe 2003
2003 12.23	[] Negima Mahora Gakuen Chuutoubu 2-A Nyuugakushiki